Suggestions by @carriewagner

Oliver Sykes

as Leon Kuwata in Danganronpa

Score: +2

Cillian Murphy

as Chihiro Fujisaki in Danganronpa

Score: -8

Jensen Ackles

as Mondo Owada in Danganronpa

Score: -1

Hulk Hogan

as Mondo Owada in Danganronpa

Score: +1

Simon Helberg

as Kiyotaka Ishimaru in Danganronpa

Score: -1

Gabriel Iglesias

as Hifumi Yamada in Danganronpa

Score: +1

Nikki Garcia

as Sakura Ogami in Danganronpa

Score: -2

Gabby Douglas

as Aoi Asahina in Danganronpa

Score: -2

'Weird Al' Yankovic

as Yasuhiro Hagakure in Danganronpa

Score: -1

Megan Fox

as Toko Fukawa in Danganronpa

Score: -3

Ross Lynch

as Byakuya Togami in Danganronpa

Score: -2

Krysten Ritter

as Kyoko Kirigiri in Danganronpa

Score: -2

Krystal Jung

as Kyoko Kirigiri in Danganronpa

Score: -1

Tom Holland

as Makoto Naegi in Danganronpa

Score: -1

Avril Lavigne

as Junko Enoshima in Danganronpa

Score: +6

Tom Holland

as Makoto Naegi in Danganronpa trigger happy havoc

Score: -3

Avril Lavigne

as Junko Enoshima in Danganronpa trigger happy havoc

Score: +4