PaRappa the Rapper(2001)

The series focuses on PaRappa, a cute and happy dog who enjoys music and dancing and often spends time with his friends PJ Berri, Katy Kat, and the girl of his dreams, Sunny Funny. Along with various characters who make returning appearances from the video games, the anime introduces several new characters who are exclusive to the TV series. These include Matt Major, PJ's friend from Club Fun, Paula Fox, Sunny's friend who was rivals with Katy, Pinto, PaRappa's little sister, and Gaster and Groober, a villainous duo who cause all sorts of mischief.