A lethargic boy who acts cool: He always seems bored and often takes a low-energy, arrogant attitude. Foolish and lazy: He thinks he's too cool to bother doing anything and tends to give up easily in contests. Glutton: He actually has a huge weakness for food like cake and has a side to him that eats greedily and sloppily. Pen's soulmate: He is so close to Pen that they are always together, and he immediately jumps on whatever Pen is doing. He will dote on you. Pink hair, slightly chubby.

The group's leader and voice of reason: Basically the most approachable of the four and has a relatively sane personality. Show-off and poser: He cares about looking "cool" and has ambitions to name an island "Pen Island" if he gets one. Debtor and slob: Surprisingly messy, with a running gag of him owing huge debts to other characters (especially Blocky). Yandere tendencies. Model-like physique, blue hair.

A hot-headed, muscle-brained bully: He believes in absolute power and immediately looks down on anyone who seems weak. Acts before thinking: Short-tempered, he will punch or blow someone away the moment something displeases him. Actually simple-minded and easygoing: His mood improves instantly when his bad-influence friends praise him, making him easy to handle. Sadistic. Large build. Muscular. White hair.

A prank-loving troublemaker: A crazy brat who has his own channel called "Blocky's Funny Doings International." Relentless psychopathic streak: He considers trapping, crushing, or blowing up others to be "funny pranks." Super kind to his bad-influence friends: While ruthless to others, he is an extremely cooperative and reliable partner to Pen, Eraser, and Snowball. Yandere? Red hair. Somewhat large build?