Kevin E. Levin (Dimension 3)

In the same reality of Nega Ben Tennyson Kevin and Ben became childhood friends and partners in crime. Then eventually when Ben conquered Earth Kevin was made his second in command.

Bio:
Kevin and Ben met when they were both just children. Ben saved Kevin from some bullies and the two seemed to get along from the start. Kevin even showed his powers to Ben who thought they were cool. They met in an arcade and Kevin told Ben about a shipment of videogames. So then Ben and Kevin went to swipe them. They set off an alarm unfortunately and Ben had to reveal his powers to Kevin.

Their exploits were seen on TV and both Gwen and Max see that Ben is all those monsters attacking and robbing banks. Max on the other hand is forced to reveal a secret to Gwen about being a not so normal plumber before he retired. As in he was basically and interstellar cop that monitored alien activity on Earth. However then Ben and Kevin went on the run and became some of the biggest and youngest names in crime.

However over the next few months Kevin is caught by Max and the Plumbers and Ben was forced to leave Kevin behind. However he promised Kevin that he's come back but then Vilgax came along. Ben went on his five year conquering scheme and Kevin was forgot. However in time Ben did come back as he promised and set Kevin free. Ben then to make up for his mistake made Kevin his second in command of Ben's empire. Why he's even lead some of the invasions to the planets Ben sought to conquer.

Personal Info:

 * Like Ben he keeps his hair short but has goatee as he hates shaving.
 * Kevin and Ben actually seem to view each other as brothers more than friends.
 * He is extremely loyal to Ben.