His name is Yoshio Kojima. He is an OWARAI (comedian) and getting popular these days...in Japanese media. While performing, he often says, 'demo son nano kanke e ne e'(でも、そんなの関係ねー), which means, 'That's none of my business','I don't give it a shit!' or something like that. He also says, 'hai, oppappy'(はいっ、おっぱっぴー). According to him, it's an acronym for "Ocean Pacific Peace".
Lookup in Wikipedia: Yoshio Kojima