M-A-K-E-Me-Massively-Gag
M is the guy who only knows how to say 'hahaha' and thinks that's a good comeback.
He texts people and says 'hahaha' like it's the best thing ever.
He can't think of anything else to say and just repeats 'hahaha' over and over.
He thinks 'hahaha' is a good way to end a conversation.