This is exactly what I'm talking about.
Piconjo in Newgrounds Rumble isn't the real Piconjo. Even the creator doesn't even want the rights to Mindchamber design of Piconjo (Buttchamber) meaning Buttchamber is an OC fanmade Pico School character which is funny because the first concept of Piconjo was literally an "evil version of pico" but it got scrapped and made Piconjo design to look like a mix of other Piconjo stuff such as his skinny body to represent his stickmen animations, the sword as a reference to his first flash game Final Fantasy quiz, and his head as a reference of the Piconjo logo. Heck if you 100% Newgrounds Rumble you could see the real Piconjo speaking in Piconjo language and making fun of Buttchamber as he says "Piconjo isn't evil, Piconjo loves you." It makes me wonder what if Mindchamber didn't create Buttchamber and someone who didn't even realize there was a real model of Piconjo created a new design of Piconjo just based on the little info they know of him. I really love the idea of people creating their own fanmade Piconjo characters and different interpretation of the character. Obviously, if the real Piconjo was added, the creator of Piconjo wouldn't want the character's reputation to be ruined because the real Piconjo isn't evil, he is just neutral in either an anti-hero or chaotic neutral character. But if it's a fanmade character just for the game similar to Buttchamber then I'm 100% cool with this idea because this isn't the real Piconjo but a different interpretation of a Piconjo character.
I like how his body is skinny similar to Newgrounds Rumble or the stickmen animations, his sword is similar to the real Piconjo design, but his clothes is original which gives this character a unique charm but also gives that vibes of both the evil Buttchamber and the rude attitude Piconjo which I really like.