A piece I got from  peachgummy as part of a trade.

Antithopper is my character's "evil-twin" who was created last year for a Halloween event on a Discord server. His name is a portmanteau of "Antithesis" and "Hopper". Only spoke in rhyme, psychologically screwed with people, and "killed" them off one by one. In the end, he was revealed to be only an illusion, and all the "deaths" were faked via hologram duplicates and/or hidden passageways.

Yet strangely, he can sometimes still be seen lurking in the corner of your vision, only to vanish if looked at...