superboy
/ˈsuːpəbɔɪ/ /ˈsjuːpəbɔɪ/noun
A boy or young man of exceptional talents or abilities, (now) especially one who is, or is likened to, a superhero.
- Frequently with allusion to the comic book hero Superboy, who first appeared in a comic strip about Superman's childhood in 1945..
Origin
Early 20th century; earliest use found in The Bookman. From super- + boy.