Grubba
From Mariopedia
Grubba is a Clubba who has reputation as a famous wrestler.He appears in Paper Mario:the Thousand Year Door. He is wealthy and opens a wrestling arena in Glitz Pit.On the outside he is seemingly friendly and trustworthy.It turns out he uses this freindly demeanor to fool everyone into believing he wasnt up to no good.In the inside he is greedy and self-centered.Only Jolene and Goombella manage to see through his false personality.Eventually Grubba's plan is revealed.He intended to use a Crystal Star to drain other fighters' powers and add them to his own to make himself more powerful.KP Pete and Bandy Andy manages to learn about Grubbas intentions but are quickley captured by him and imprisoned with rest of the drained fighters.Marioand co. eventually find out about Grubba's plans,defeat him,and release all the imprisoned fighters.