The Number

This is a villan from Ken 10. He can multiply or merge at will. This villian first appeared in Horror Movie Makeup. He also make a cameo appearance in Ben 10, BC. He multiplied the duplicates of Big Chill in Ben 10, BC. He didn't not make any appearance further in Ben 10 BC. He is known as the top villian for Gwendolyn Tennyson. In They lurk Above, it is revealed that The number had an ability to duplicate as other people which he done with Michael Jackson.