Once a normal human, Mustard was transformed by the reality-warping mutant, Mad Jim Jaspers. He then began working for the R.C.X. and trained to be one of their super powered operatives. Eventually, he and the R.X.C. came into conflict with Excalibur.
Powers and Abilities
One of the few Warpies with an appearance as a baby, Mustard is always flying, and his body is completely covered of flames. He can shoot flame blasts from his hands.