The Winner is Clear

@Animejerk Made the intro to Teen Titans! Go! Also last studio album was 2011 though.

@Animejerk Puffy AmiYumi got their own show and everything, 13 albums over 15 years ain't a bad run either.

@Animejerk They also made songs for various anime

@Daniel564 He has turned into alien animals, actually.

@Daniel564 He has turned into alien animals, and non-animal aliens. He has transformed into a Gordanian and a Parademon. Hell, one time when fighting Madame Rouge he got so pissed off at her for killing his foster mother that he turned creatures that didn't even exist. He was literally rage incarnate.

@charizards But don't dragons actually exist in the DC universe. Not that I disagree with your point. At the end of the day his powers are mostly limited by his perception. A couple times he's been driven insane and gained the power to turn into actual monstrosities in the comics. I also feel like I remember there being an episode of the show where he turned into some kind of Kryptonian or Tamaranian animal but I wasn't able to find any mention of it so it might be me misremembering things. I do know that he was able to turn into a gordanian (A talking alien) in the comics so theoretically that means he isn't limited to non-sapient animals. Turning into a regular Kryptonian might not be out of his reach either by that logic. I believe a future version of him was able to turn himself into multiple mythical animals by combining an amoeba's ability to split itself with his other forms.

@2Smart4Death it was a tamaranian animal, also he turned into a literal hell beast in the justice league vs teen titans movie

@SinfonianSinger1451 You're pretty great too!