Notes:

For those not in the loop, in 2001, SNK (but not really, they were bankrupt at the time, so it was actually Eolith, the company they allowed to make KoF in their stead) made a character named K9999. Eolith went too far with the parallels to Akira's Tetsuo, so SNK tried reinvent the character twice. First time, they made a brand new character, Nameless, who possessed they same moves, but with a drastically different design and move appearance (psychic powers, shotgun arms, and a mutated arm underneath a metallic glove --→ fancy red fire hidden underneath a metal glove). The second version is this guy, Krohnen, who is LIKELY K9999 lore-wise, but with notably less Tetsuo references.