|Title||Ultimate Murderous Fiend|
|Alias|| Genocide Jack|
|Appearances||Trigger Happy Havoc|
Genocide Jill is a character in the game Danganronpa:Trigger Happy Havoc, she is the "Ultimate Murderous Fiend". She is the other side to Toko's personality and if often framed as a murderer of the students in Hope's Peak Academy. She is otherwise known as "Genocide Jack" for those unaware of her gender.
Genocide Jill is very different to Toko, Genocide Jill is a murderous fiend. She is still fairly obsessive around Byakuya, but she is very aggressive towards the other females, often thinking of them as "obstacles in her way" in her quest to associate herself with Togami. She also frequently comments about Aoi's breasts throughout the game.
Genocide Jill looks like her other personality, Toko. However, there are clear differences in her personality. She often shows her tongue when speaking as well as her eyes have changed colour, they change to red. She also carries around her trusty scissors, in which she uses in her murderous acts. She also has tally-mark carved into her thighs, one tally for each victim she slays.
Genocide Jill may have not killed in-game, however, she did kill several males prior to the game. One of her victims was a male, who had been dared to go out on a date with her. These victims are:
- Issei Kanno
- Ken Harada
- Tetsuhiro Honda
- Gaku Shouji
 Free Time
The following presents can be given to Genocide Jill in order for your bond to grow with her, they are available from the MonoMono Machine:
- Eternal Friendship Bracelet
- Maidenly Carry-On Bag
- Vibrating Kokeshi
 Skills Obtained
The following skills, that can be used to aid you in Class Trials, are obtained after getting to know Toko:
- Trigger Happy
 PSN Trophies
- Strangers in a Brain (Complete Toko's Report Card)