Kranxx

From Brikipedia:

"Kranxx is an alien criminal and is the leader of the Black Hole Gang. He has a skull belt buckle and skulls on his vest, which is the symbol of the Black Hole Gang. Kranxx is usually found breaking speed limits or blowing up diners. Kranxx is a pilot with a will for speed. He pilots smaller craft with large thrusters."

It should be noted that Kranxx has a cousin Rench who is Lime Green.