1) Bad hat 2) Devil 3) Fictional telekinetic 4) Heller 5) Mischief-maker 6) One up to deviltry 7) Rowdy one 8) Rowdy sort 9) Trouble maker 10) Troublemaker 11) Troubler 12) Way-rowdy youngster 1) Brat 2) Imp 
Hellion (Julian Keller) is a fictional character, a mutant appearing in comic books published by Marvel Comics. He was a member of the student body of the Xavier Institute before its closing and is a member of the X-Men`s training squad. He first appeared in New Mutants, vol. 2 #2. ==Fictional character biography== ===New Mutants, vol. 2/Academy ....
[n] - a rowdy or mischievous person (usually a young man)