Genshin Impact

i've been seeing a lot of genshin impact questions n im kinda curious about it, i dont play games anw, i used to but then my pc n phone broke so i stopped lol, its not like its bothering me but i have this one question plsss its been on my head for weeks i still dont know the answer


why is zhongli peepaw??? yk what im talking about?? i've seen genshin a lot in my social n when it comes to zhongli they be calling him peepaw, its cute tho, but why, like who start it, i need the backstory