Which Character Is The Most "Alien" Life Form Out Of All?

[Sovran Nila]

Out of all of the characters in the franchise of Dragonball/Z, which single character is the most "alien" life form out of them all? "Alien" refers to as foreign, strange, otherworldly, and transcendental.

 

[Hector]

TFS Gohan.

 

[SSJ2]

Probably Boo if we're speaking about the original manga.

 

[Boo Brand Milk]

Definitely those dog people that live on earth