Heroes Inc.

James P. Sullivan - Dracula [Hotel Transylvania]

Mike Wazowski - Angel Dust [Hazbin Hotel]

Boo - Flurry Heart [My Little Pony Friendship is Magic]

Randall Randy Boggs - Grim Gloom [The 7D]

Mr. Henry Waternoose - Mojo Jojo [The Powerpuff Girls]

Celia Mae - Vaggie [Hazbin Hotel]

Roz - Carol [OK K.O. Let's Heroes Be]

Needleman and Smitty - Radicles [OK K.O. Lets Heroes Be] and Mr. Woop Man's

Fungus - Vlad [Hi Hi Puffy AmiYumi]

Yeti [Abominable Snowman] - Prince Cashmere [Wander Over Yonder]

Thaddeus Phlegm Bile - Soos Ramirez [Gravity Falls]

Ms. Flint - Marina [Zig and Sharko]

George Sanderson - Rhombulus [Star vs. The Forces of Evil]

Jerry - Howard McBride [The Loud House]

Bob Peterson - Shadow The Hedgehog [Sonic X]

Charlie - Jackie Khones [Foster's Home for Imaginary Friends]

Harley P. Gerson - Capper [My Little Pony The Movie]

Harry Bud Luckey - Andrei [Welcome to the Wayne]

Joe J.J Ranft - Grim Reaper [The Grim Adventures of Billy and Mandy]

Nicholas Lanky Schmidt - Mole [The Modifyers]

Claws Ward - 5.0.5 [Villainous]

Ricky Plesuski - Scotsman [Samurai Jack]

Rivera - Booli [Pirate Express]

Betty - Eileen [Regular Show]

Spike Jones - Samurai Jack

Waxford - Rapido [Ratz]

Ted Pauley - Mr. Gus [Uncle Grandpa]

CDA - Nixels [Mixels]

Chalooby - Hector [Coco]

Sushi Chef - Earl Devereaux [Cloudy with a Chance of Meatballs]

Tony - Jorgen Von Strangle [The Fairly OddParents]

Trailer Folk - Isabelle and Dr. Bjorn Gunderson [Get Blake]

TV News Reporter - Shandra Jimenez [Gravity Falls]

Teacher - Ms. Keane [The Powerpuff Girls]

Children - Kids [The Powerpuff Girls]

A Kid that Mike Entertained - Sandbar [My Little Pony Friendship is Magic]

Rex [in Outtakes] - Discord [My Little Pony Friendship is Magic]

Ted Pauley's Assistant - Finders Keepers [The 7D]

Marge - Olga [Hey Arnold]

Frank - Lord of Illumination [Wander Over Yonder]

Ward's Assistant - SpongeBob SquarePants

Ricky's Assistant - Lars Byollie [Steven Universe]

Harley's Assistant - Hugh Test [Johnny Test]

Luckey's Assistant - Ratchet [Ratchet and Clank]

Ranft's Assistant - Sir Brad Straight [Wander Over Yonder]

Chuck - Cosmo [The Fairly OddParents]