Space Dandy

 The story of the anime revolves around Dandy, an alien-hunter. His job is to seek out new aliens never seen before, and receives a reward whenever he finds a new species. His mission is to find those new species faster than anyone else as he travels the galaxy. Together with the bucket-of-bolts robot QT and the dimwit alien Meow he picked up along the way, he comes into contact with new planets and their inhabitants..

(Source: Anime News Network)