Unworthy mutants Synonyms

Unworthy replaced

nasty mutants

Definitions for Unworthy

(adjective) lacking in value or merit
(adjective) not deserving
(adjective) morally reprehensible

UM abbreviation

UM is an abbreviation for Unworthy Mutants

What does UM stand for?

UM stands for "Unworthy Mutants"