Took an old rip of mine and decided to assemble it completely, so now there's no more confusion (with this one at least).
??? Subject: ??? (His name is Hyades, but that wasn't revealed during this fight)
Game: Tales of Eternia/Tales of Destiny II
System: Sony Playstation
Role: First boss;
Spoiler Below Meredy's uncle under mind control(?) who is hunting her down for Shizel
Ripping Method: VRAM Viewer
Emulator: epsxe