He’s definitely asexual. Even Skips showed signs of attraction to women in the show, but Pops never did to anyone. Him being a celestial god-like being makes it even more valid.
This is a list of live action gay characters in television (includes terrestrial, cable, streaming series and TV movies). The orientation can be portrayed on-screen, described in the dialogue or mentioned. Roles include lead, main, recurring, supporting, and guest.
Muscle Man: You sound like a loser, you know that?! And as for the two of you, Stop being gay! I'm not going to live together in a park with gay friends. Mordecai: Why don't you leave yourself? Then it won't bother you either. Muscle Man: Because I worked here before you! I was before you, so you can leave! By the way, what do you see in that guy?.
One male, one female and the male has his arm around Andy. He also has a voice that leans on the wall of being the stereotypical sassy gay accent. Skips: We tried it the nice way, now we do it the Skips way. [BOOM BOOM] Muscle Man and Hi-Five Ghost have a few moments like this.