Gweenie

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.

Super Mario Super Challenge
Gweenie appears again with the same appearance, but his green appearance has been changed to be a bit more lighter and blue'd.

SMSC Status
Gweenie was leader of the Green Team

but he was voted out in SMSC8