A huge filthy competitor in the 21st Tenkaichi Budkai who has never washed or brushed his teeth since the day he was born. He uses his stench as a weapon since his opponents need to hold their noses closed so he can attack them better. All of his special attacks are disgusting and range from spitting on his victim to touching them with sweat from his groin. Kuririn almost loses to him until Son Goku reminds Kuririn that hes just imagining the smell because he doesnt have a nose A joke on Kuririns drawn appearance which Kuririn quickly remembers and beats Bacterian almost instantly. Later in the anime it was revealed that he was homeless and living in a city dump. The anime also shows him being attacked and murdered by Tambourine but came back to life due to the Dragon Balls.