Gweenie is a character in the Mario Mayhem series.
Mario Battle Royale (2019)
Gweenie appeared with no hat, white overalls, and green hair, shirt, and boots.
Gweenie appears again with the same appearance, but his green appearance has been changed to be a bit more lighter and blue'd.
Gweenie was leader of the Green Team
but he was voted out in SMSC8
- In-universe he is a kid from the real world who explores Mario's world through a computer application, his appearance being his avatar, thus he can leave the world by simply disconnecting.