I've come up with comically cartoonish methods to get rid of some drawfags.

Merth: Make him snap, Keep insisting that he did something that he didn't actually do. I don't mean "haha peg" but something actually egregious that contradicts stuff he said. Throw in some Takane here and there for good measure.
Tewichuddie: Get gay, and i do mean really gay. Start sharing cock pics with each other, post more gay cosplayer catbox links, talk about how much you want to have sex with men in great detail and turn it into borderline ERP. Say how much you want to fuck his husband for funnies.

...I was gonna write for more but then i realized most of them left already. I have more extreme methods for everyone in mind but i don't want to go that far