Dr. Trayaurus is Dan's best friend, They live together, He's one smart but pesky inventor. He uses Dan as his lab rat. However, his inventions (normally)would go wrong, Causing Dan some trouble... Dan likes to say Trayaurus, you little punk!!! When something goes wrong... He is not the reason why Grim is a skeleton dog, Dan resurrected his dog using two items, A vagina and a dildo.He is also the one who creates the dildos, vibrators and others for Dan to showcase, One episode he made more dildoz during his showcase, Trayaurus is always uninterested when Dan goes to the movies, and others.... He is one serious villager.