Sakekasu

Seaslug is the dimwitted and immature leader of the Rubberobo Gang, the "commander" and the one with the most authority of the 4 main leaders. Though his intelligence is lacking when compared with Shrimplips and Dr. Meta-Evil, he is a man of action, and is usually the one most capable of carrying out the scemes of his genius comrades. Though far from an evil mastermind, he has proven himself to have some genuinely evil qualities, such as a maniac laugh and a sadistic streak.

(Source: Medabots Wiki)