|First Appearance||Rite of Blood|
|Weapon(s) of Choice||Unknown|
|Theme Music||Bizzare Room, First Struggle|
"Giga" is the code name given to the secret boss in Rite of Blood. Nothing is known about him/her, if he/she has been seen before or not, and if he/she is a fanon character or not. The theme when speaking to him/her is Something Loopy, but before the fight, it is Renon.
- It could be possible that "Giga" is Giga Nightmare, however, it is unlikely, as Giga Nightmare is a fusion of Omega and Vadriel. Omega and Vadriel are playable during Giga's terror.