怪咖萌神
[guài kā méng shén]
This username can be translated as 'Eccentric Cutie God'. Here, 怪咖 means someone quirky and unconventional (thus 'eccentric'). 萌神 literally means a cute god or deity, often used for someone who is exceptionally charming and endearing, perhaps even idolized for their cuteness or uniqueness.