It’s an Undertale character.
not gonna ask what undertale is
it’s a video game
ok now I can say I didn’t ask 
You, good sire, are as uncultured as it gets. How long have you had a presence on the internet?
since I was 9
That gives me no frame of reference but whatever
He’s allegedly 14 so 2018-19
Oh, so he’s too young to know Undertale.
He was on at the same time deltarune dropped so its still surprising
Agreed
Better not tell you now