Dark Side Square Series - Darth Nihilus

The consumer of planets, the Lord of Hunger, Darth Nihilus. A part of me wishes he was canon, but another part of me thinks he's a little on the overpowered side, even by Star Wars standards.
Other entries:
Dark Side Square Series - Naga Sadow
Dark Side Square Series - Exar Kun
Dark Side Square Series - Darth Andeddu
Dark Side Square Series - Darth Revan
Dark Side Square Series - Darth Malak
Dark Side Square Series - Darth Traya
Dark Side Square Series - Darth Sion
Dark Side Square Series - Darth Malgus
Dark Side Square Series - Arcann
Dark Side Square Series - Darth Bane
Dark Side Square Series - Darth Cognus
Dark Side Square Series - Darth Tenebrous
Dark Side Square Series - Darth Plagueis
Dark Side Square Series - Darth Maul
Dark Side Square Series - Savage Opress
Dark Side Square Series - Son
Dark Side Square Series - Count Dooku
Dark Side Square Series - Komari Vosa
Dark Side Square Series - Asajj Ventress
Dark Side Square Series - Darth Vader
Dark Side Square Series - Darth Sidious
Dark Side Square Series - Starkiller
Dark Side Square Series - Maris Brood
Dark Side Square Series - Grand Inquisitor
Dark Side Square Series - Kylo Ren
Dark Side Square Series - Snoke