Academy of Heroes

Summary: Ideas open

Opening: 

Heroes:
Tyler and Cassidy Anders (My OC's) 
Dexter and Dee Dee (Dexter's Laboratory)
The Eds (Ed, Edd n Eddy)
Blossom, Bubbles and Buttercup (Powerpuff Girls)
Sector V (Codename: Kids Next Door)
Huey, Dewey, Louie and Webby (Ducktales 2017)
Seth, Mel, Erik and Kara (Di-Gata Defenders)
Lincoln Loud (The Loud House)
Phineas and Ferb (Phineas and Ferb)
Dani Phantom (Danny Phantom)
Mac and Bloo (Foster's Home for Imaginary Friends)
Miles Morales (Ultimate Spider-Man)
Max Goof (A Goofy Movie/An Extremely Goofy Movie)
Timmy Turner (Fairly Odd Parents)
Arnold (Hey Arnold!)
Bart and Lisa Simpson (The Simpsons)
Ben and Gwen Tennyson (Ben 10: Alien Force)
Dash and Violet Parr (The Incredibles)
Yuya Sakaki and Zuzu Boyle (Yu-Gi-Oh! ARC-V)
Jimmy Neutron (The Adventures of Jimmy Neutron)
Steven and Connie (Steven Universe)
Gohan (Dragonball Z)
Dipper and Mabel Pines (Gravity Falls)
Alex O'Connell (The Mummy: Animated Series)

Teachers:
Yen Sid (Kingdom Hearts)
Aqua (Kingdom Hearts)
Winston (Overwatch)
Ardeth Bay (The Mummy: Animated Series)
Zadavia (Loonatics Unleashed)
Max Tennyson (Ben 10: Alien Force)
Declan Akaba (Yu-Gi-Oh! ARC-V)

Villians:
Master Xehanort (Kingdom Hearts)
Jasper (Steven Universe)
Father (Codename: Kids Next Door)
Cinder Fall (RWBY)
Reaper, Widowmaker, Doomfist and Sombra (Overwatch)
Frieza (Dragonball Z)
Mojo Jojo (Powerpuff Girls)
Malco and Flinch (Di-Gata Defenders)
Syndrome (The Incredibles)
Bill Cipher (Gravity Falls)
Professor Calamitous (The Adventures of Jimmy Neutron)
Mandark (Dexter's Laboratory)
Imhotep and Colin Weasler (The Mummy: Animated Series)

Ideas open for others