"Why would you be Asgardian, then?" He might still be too tipsy to grasp that whole story so he just shakes his head. Give him another ten minutes and he'll be alright.

"Doesn't matter. I have some good friends who'll tell you that a name is important so don't shy away from finding one for yourself." 'Good friends' is probably a bit hopeful. He has probably one good friend and two angry cats he's slowly trying to herd closer. Billy will figure it out eventually.