What characters in Monsters Inc. have cameos in Monsters University? - Movies & TV Stack Exchange

I loved Monsters University, but it was such a complex movie that I had trouble catching all of the characters from Monsters Inc. For instance, George Sanderson, the 'sock' guy from the first film

Ludwig Von Drake, Disney Wiki

Ludwig Von Drake, Disney Wiki

Pixar Animation Studios

What characters in Monsters Inc. have cameos in Monsters University? - Movies & TV Stack Exchange

What characters in Monsters Inc. have cameos in Monsters University? - Movies & TV Stack Exchange

Is Monsters Inc a 90s movie? - Quora

Fur, Comedy, and Lawsuits: Monsters, Inc.

WOW! PODS Fall Guys: Ultimate Knockout - Ecto Pirate Light-up Bobble-Head Figure, Official Merchandise, Collectibles, Toys and Gifts

WOW! PODS Fall Guys: Ultimate Knockout - Astronaut Light-up Bobble-Head Figure, Official Merchandise, Collectibles, Toys and Gifts

Pixar Animation Studios

Monsters University (2013) - IMDb

Goomba - Super Mario Wiki, the Mario encyclopedia

Monsters University's' Full Cast Revealed

Sesame Street / Funny - TV Tropes

Monsters University (Western Animation) - TV Tropes