I think it’s relatively new. I might have seen the actual video on MTV and it was an animation. Something dark about some thin misfit kid and his friends, maybe… I can’t remember. I want to say it’s Black Eyed Peas but I’m not entirely sure.
I think you are thinking of The Gorillaz’s “Feel Good Inc.” which is in one of the new Ipod commercials where the people in the commercial are skating around. Here is a link where you can watch the music video- which is animated.
That’s definitely the Gorillaz, and their current single is “Feel Good Inc.” The band is the project of Blur frontman Damon Albarn and artist Jamie Hewlett, and the four members of the band are completely original animated characters with no real-life stand-ins (although Albarn sings and performs much of the music).