https://www.youtube.com/watch?v=Fv_akAoV90A

Real theatrical title is 'A Raisin and a Cake of Yeast'. Released on the 4th of February, 1923. I can only recognize a few key animators. List of animators by scenes, transitional scenes and static drawings, by pure guesswork:
Hugh Shields, ? [static drawing], Hugh Shields, Frank Moser, ?, Frank Moser?, ?, ?, ?, Frank Moser?, ?, Vet Anderson?, ?, John Foster, Vet Anderson?, Hugh Shields, Frank Moser, Frank Moser [static drawing], [transition], ?, ?, Frank Moser?, [transition], ?, ?, Frank Moser, ?, ?, ?, Jerry Shields?, Frank Moser?, ?, John Foster?, ?, [transition], Frank Moser.

? marks animators who I can't or exactly identify. Perhaps Milt Gross did animate this short; Norman Ferguson did not come until later, I believe, and perhaps Vet Anderson as well, so that may be another mistake on my part.

The curtain sequences and most of the other extra animation in the 'Minnie's Yoo Hoo' reel are all done by the animator(s) who did the first few scenes in 'Fiddling Around', where Mickey walks to the stage, drops on the floor and prepares his fiddle.

In fact, several backgrounds are very similar to those used in 'Fiddling Around', and the reel is early enough in the Columbia era to where the end card still uses the prototype Mickey and Minnie designs and the "A Walt Disney Comic" byline.

Does anyone know said animator(s)? My knowledge on Disney material is not extensive.

https://www.youtube.com/watch?v=Fv_akAoV90A

Real theatrical title is 'A Raisin and a Cake of Yeast'. Released on the 4th of February, 1923. I can only recognize a few key animators. List of animators by scenes, transitional scenes and static drawings, by pure guesswork:
Hugh Shields, ? [static drawing], Hugh Shields, Frank Moser, ?, Frank Moser?, ?, ?, ?, Frank Moser?, ?, Vet Anderson?, ?, John Foster, Vet Anderson?, Hugh Shields, Frank Moser, Frank Moser [static drawing], [transition], ?, ?, Frank Moser?, [transition], ?, ?, Frank Moser, ?, ?, ?, Jerry Shields?, Frank Moser?, ?, John Foster?, ?, [transition], Frank Moser.

? marks animators who I can't or exactly identify. Perhaps Milt Gross did animate this short; Norman Ferguson did not come until later, I believe, and perhaps Vet Anderson as well, so that may be another mistake on my part.

Thanks, kazblox!

By the way, does anyone here know who did what on "The Dover Boys"? I know, besides Bobe Cannon; Ken Harris and Rudy Larriva did work on that cartoon, but outside of one scene by Harris and Cannon each, not sure who did what scene.

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Here are a few scenes of Disney Renaissance features that I know the animators for:

The Little Mermaid: will Finn animated a few shots of Ariel and Sebastian during the "Under the Sea" number, when Sebastian bounces off Ariel's tail fin like a diving board.

Beauty and the Beast: James Baxter and Rick Farmiloe worked together on a scene at the end of the "Belle" opening, when the townsfolk stop singing and go along their way just as Belle turns her head back. Aaron Blaise did one scene of the Beast leaning into the camera ("Then he shouldn't have trespassed here!").

Aladdin: Tom Sito animated the scene of the Genie rolling up his "sleeves" as he turns Aladdin into Prince Ali ("...but we're not through yet! Hang onto your turban, kid!").

This might seem like a tricky task , but can anyone spot any specific animators' work here? Someone on YouTube claimed that Ed Aardal, Cal Dalton, Rudy Cataldi, Lloyd Vaughan and Don Williams animated here, but since that was just a comment on YouTube (and not one from someone like Jerry Beck or Yowp or Tommy Stathes or another reputable person), I'm taking it with a grain of salt.

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The curtain sequences and most of the other extra animation in the 'Minnie's Yoo Hoo' reel are all done by the animator(s) who did the first few scenes in 'Fiddling Around', where Mickey walks to the stage, drops on the floor and prepares his fiddle.

He can also be seen animating the opening scene of 'The Haunted House' when Mickey tries to shield himself using his umbrella in the rain. He also animates Mickey singing in the opening scene of 'Wild Waves', including the scene of Minnie stepping out of the bath house. He may also have animated the scene in 'Jungle Rhythm' where two lions circulate Mickey in a static pose.

The other animator in the 'Minnie's Yoo Hoo' club reel may have possibly worked on 'The Jazz Fool'. Similar eye, ear and torso portioning.

None of these animators appear to be present in any further Disney titles; they may have moved onto Iwerks' studio, or Universal's for that matter. None of Harman/Ising's first output is similar to these animators.

https://www.youtube.com/watch?v=tfE5HpA-EtM
This might seem like a tricky task , but can anyone spot any specific animators' work here? Someone on YouTube claimed that Ed Aardal, Cal Dalton, Rudy Cataldi, Lloyd Vaughan and Don Williams animated here, but since that was just a comment on YouTube (and not one from someone like Jerry Beck or Yowp or Tommy Stathes or another reputable person), I'm taking it with a grain of salt.

It's currently not available..

https://www.youtube.com/watch?v=tfE5HpA-EtM
This might seem like a tricky task , but can anyone spot any specific animators' work here? Someone on YouTube claimed that Ed Aardal, Cal Dalton, Rudy Cataldi, Lloyd Vaughan and Don Williams animated here, but since that was just a comment on YouTube (and not one from someone like Jerry Beck or Yowp or Tommy Stathes or another reputable person), I'm taking it with a grain of salt.

It's currently not available..

Yeah, the owner made it so you can't have it playback. However, you can still watch it if you press play and then click "Watch this video on YouTube".

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None of these animators appear to be present in any further Disney titles; they may have moved onto Iwerks' studio, or Universal's for that matter. None of Harman/Ising's first output is similar to these animators.

Actually, I might be wrong; the first animator I mentioned above might have done work for 'The Cactus Kid'.

Speaking of 'The Cactus Kid', can anyone help me spot where Ub Iwerks does the animation? Can't appear to find any single clue, not sure if it's a myth or he did actually do one last Mickey title in 1930 before going on to make 'Fiddlesticks'.

Speaking of 'The Cactus Kid', can anyone help me spot where Ub Iwerks does the animation? Can't appear to find any single clue, not sure if it's a myth or he did actually do one last Mickey title in 1930 before going on to make 'Fiddlesticks'.

I'm think it may be the scene where Mickey plays music on the furniture with spoons, given the way Mickey's fists are drawn.

Speaking of 'The Cactus Kid', can anyone help me spot where Ub Iwerks does the animation? Can't appear to find any single clue, not sure if it's a myth or he did actually do one last Mickey title in 1930 before going on to make 'Fiddlesticks'.

I'm think it may be the scene where Mickey plays music on the furniture with spoons, given the way Mickey's fists are drawn.

Mickey's head proportions are way off and too tiny in that scene. For reference, here's what I think is a Ub Iwerks scene from 'The Jazz Fool'. The fists may mean something, but pay attention to how Ub draws Mickey here:

As I am heading to a conclusion, I'm probably going to assume that the scene where Minnie licks her finger is probably animated by Iwerks himself. Jack King also works on 'The Cactus Kid' in some scenes where Mickey dances and avoids the dishes hitting him.

Also going to make a vivid, educational guess that Ub Iwerks drew the main opening title card that would go on for all Columbia Pictures era titles. The end title card is however, by a completely different animator; one I have yet to identify, but may have worked on the third to last scene in 'Mickey's Follies'.

Also going to make a vivid, educational guess that Ub Iwerks drew the main opening title card that would go on for all Columbia Pictures era titles. The end title card is however, by a completely different animator; one I have yet to identify, but may have worked on the third to last scene in 'Mickey's Follies'.

I think that Mickey end card illustration may have been drawn by Ben Sharpsteen, since he drew mouths curved toward the cheek.

Also going to make a vivid, educational guess that Ub Iwerks drew the main opening title card that would go on for all Columbia Pictures era titles.

Or, this is more likely; it could be Win Smith that drew it. Here's a sample of his pencil work after Iwerks left the studio and before Gottfredson stepped in for the Mickey Mouse comic strip.

The only draft I could find for 'The Cactus Kid' has artists all blank. Great!
https://www.liveauctione...ipts-1930s-disney-shorts 

The only draft I could find for 'The Cactus Kid' has artists all blank. Great!
https://www.liveauctione...ipts-1930s-disney-shorts 

Best case scenario would be for the information to turn up in exposure sheets. Otherwise, zilch.

I'm starting to doubt whether the opening closeup on Mickey in 'The Jazz Fool' was either animated by Iwerks or rather Clark.

As with Minnie licking her fingers and admiring herself in the mirror in 'The Cactus Kid', this probably goes to Ben Sharpsteen. Kaufman agrees with me that Iwerks animating 'The Cactus Kid' is a myth. The scenes with that have Mickey with very thin portions appear to have been animated by Wilfred Jackson, at 1:00-1:50 and 7:05.

As for Ferguson scenes in the earliest Mickey titles:
In the earliest shorts up to 'The Moose Hunt', the first to use consistent model sheets(?), he can be indicated by drawing Mickey's ears as squished, with his buttons as ovals and his way of how he poses the eyes and snout together at certain angles. This look lasts all the way up to 'The Castaway'.

For shorts without full drafts: 3:30 in 'The Barnyard Concert' is likely by him. There are few scenes from 1:15 to 3:05 in 'Fiddling Around' which look like they're him. Next few scenes are a complete mystery.

http://www.michaelsporna...-content/Y/EarlyMick.jpg 

I'm starting to doubt whether the opening closeup on Mickey in 'The Jazz Fool' was either animated by Iwerks or rather Clark.

As with Minnie licking her fingers and admiring herself in the mirror in 'The Cactus Kid', this probably goes to Ben Sharpsteen. Kaufman agrees with me that Iwerks animating 'The Cactus Kid' is a myth. The scenes with that have Mickey with very thin portions appear to have been animated by Wilfred Jackson, at 1:00-1:50 and 7:05.

On another note; could the scene where Mickey plays the piano could have been one of Dick Lundy's first assignments as a full fledged animator? His style in how he draws the closeups of Mickey and Minnie in 'The Picnic' match up well here.

Definitely, the scenes of Mickey playing instruments and squeezing Minnie in 'The Cactus Kid' go to Wilfred. His sense of physics seemed to have barely improved from 'The Plowboy', hence you still see odd stretching and flow when Minnie throws a lamp at Mickey.

Tom Palmer makes his animation debut in Disney in this title as well; seen when Mickey tries to confront Peg Leg Pedro for the first time, up until Pedro himself pulls out a gun. His style of drawing Mickey from the sides is very distinct. It looks like as if he were trying to emulate Gottfredson's style for his first few films.

Ferguson likely animates Mickey trying to calm Minnie down in 'Wild Waves' while performing a dance afterwards. His way of drawing expressions in a distinct manner on Mickey's brows seems to also be a trait that lasted at least through 'The Gorilla Mystery'.

https://www.pinterest.com/pin/369717450643003231/ 
This poster was likely also by Wilfred Jackson, for instance. His thin off model Mickey proportions match up well here. Another scene likely animated by him can be seen in 'The Barnyard Concert' when the cow eats the flowers, waves her tail, and flings Mickey around the grass.

As for both the model sheet and the last few scenes of 'Fiddling Around', it may well have been Clark. His surviving model sheets done for King Features are close. Lundy's style doesn't match up well here, and he wouldn't have animated until March, long after this cartoon would have been released. The scenes of pudgy Mickey in 'Wild Waves', 'The Haunted House' and 'Fiddling Around' could have been done by Merle Glilson; this is an ENTIRE complete guess given that he was the only main animator during the Ub Iwerks period that I barely know of, and he appeared to have worked on the Mickey Mouse unit as well. The only scene in any Disney title that has a surviving record that it was animated by Gilson is the ending of 'Frolicking Fish'; it doesn't look as robotic as the other of the two unknown animators I mentioned so far.