Oh yeah Terrie you should read this https://www.quora.com/Is-mettaton-a-boy-or-a-girl i thought he was a girl too but turns out he's a male how did i find out? by finding a custom sprite of mettaton i just found this that might explain it.

Description: i was supposed to come back 2020 but i have already failed not talking on here so i guess its just im gonna be on here for real in 2020 - Allan. (also please call me green papyrus.) [do come back properlly sometime cause we mill you very much] -the good people of pam Theme - Sans: https://soundcloud.com/dat_davi/hipolar STWPLFS: https://soundcloud.com/p014r1411/taletwelve-fifty-eight-updated-1 Megalovania: https://soundcloud.com/superdf/disconsola -cover Phase 2 megalo: https://soundcloud.com/underrated_bag_boy/sisyphus-act-1-hyped-up Stats: Green Papyrus - HP ???????? ATK 100 DEF 90000 - Strong but super defensive, seems like Allan or now known as Green Papyrus is no longer Allan.