Include all of the Castlevania bosses mentioned above:

The Fury - Metal Gear Solid 3: Snake Eater
Marching Milde - Super Mario World 2: Yoshi's Island
Luca Blight - Suikoden II
Lezard Valeth - Valkyrie Profile
Evil Mani-Mani - Earthbound
Algus Sadalfas - Final Fantasy Tactics
Salazar - Resident Evil 4
Farah Oersted, Meredy, and Garr - Tales of Symphonia
Lenneth Valkyrie - Star Ocean: Till the End of Time
Doopliss - Paper Mario: The Thousand Year Door
Ocelot - Metal Gear Solid 3: Snake Eater

My SotN knowledge is a bit rusty, but I thought the fight in the Inverted Colosseum was against Trevor Fake, Sypha Fake, and Grant Fake. I'm probably wrong though.