Multiple Man

jamie madrox aka multiple man was first revealed as a mutant at the doctors slap when he was born as his powers are that when he gets hit or stamps his feet or clicks his fingers he absorbs the kinetic energy and makes a duplicate(sometimes refferred to as dupes)so when the doctor slapped him,BAM,twins!in the series he is seen fighting alongside mister sinister and the rest of his marauders and when cyclops accusing mr sinister of doing something to jean comes gunning for him the multiple man battles him and almost beats him too