Suggestions by @user_134780

Yuichi Nakamura

as Killjoy in Killjoy 3 Japanese Cast idea

Mugihito

as Doctor Odium in Static Shock Japanese Dub Cast

Kenji Nagasaki

as Director in Static Shock Japanese Dub Cast

Tessho Genda

as Batman in Static Shock Japanese Dub Cast

Ikuya Sawaki

as Scotsman in Samurai Jack Season 5 Japanese cast idea

Shin-ichiro Miki

as Scaramouche in Samurai Jack Season 5 Japanese cast idea

Akira Kamiya

as Aku in Samurai Jack Season 5 Japanese cast idea

Yoshimasa Hosoya

as Samurai Jack in Samurai Jack Season 5 Japanese cast idea

Nobuo Tobita

as Crewcut in Static Shock Japanese Dub Cast

Junichi Suwabe

as Riddler in Japanese cast idea of Gotham

Yûki Kaji

as Scarecrow in Japanese cast idea of Gotham

Tetsu Inada

as Solomon Grundy in Japanese cast idea of Gotham

Akio Otsuka

as Mr.Freeze in Japanese cast idea of Gotham

Ryota Osaka

as Jeremiah Valeska in Japanese cast idea of Gotham

Daiki Yamashita

as Bruce Wayne in Japanese cast idea of Gotham

Akira Ishida

as Penguin in Japanese cast idea of Gotham

Kengo Kawanishi

as Scarecrow in Japanese cast idea of Gotham

Shin-ichiro Miki

as Mad hatter in Japanese cast idea of Gotham

Mao Ichimichi

as Firefly in Japanese cast idea of Gotham

Koki Uchiyama

as Jerome Valeska in Japanese cast idea of Gotham