User blog comment:Da Interruptor Haha132/I Will Rate Your Profile Pic and Username!/@comment-30790899-20170608222456/@comment-26488146-20170609165450

I believe his Username references the fact that Citron in GW2 is a tank class, and is great for tanking (a form of playing aggressively with high health)

Also, in his picture, that is a drawing of an Inkling from Splatoon.