It’s Mist Wurm, the guy that isn’t Trishula.
Source:
http://www.yugioh-card.com/japan/lineup/arc-v/sp_raising_masters/
[OCG] Raging Masters Reprint 1
By NeoArkadia
NeoArkadia
NeoArkadia is the 2nd Number of "The Organization" and a primary article writer. They are also an administrator for the forum Neo Ark Cradle.