This is Timothy "Tiny Tim" Cratchit, the crippled son of Bob and Emily Cratchit.
and these are the heroes similar to him.
Cindy Lou Who (Dr. Seuss' How the Grinch Stole Christmas!)
Fluttershy (My Little Pony: Friendship is Magic)
Aurora (Disney's Maleficent series)
Bamm-Bamm Rubble (The Flintstones)
Zhang Bao (Romance of The Three Kingdoms)
Donald Duck's Son (Disney)