blue-haired male

Franky, Vegapunk Lilith (One Piece) by Diforland

Denji, Hayakawa Aki, Himeno (Chainsaw Man) by Mark Gavatino

Franky, Nico Robin (One Piece, Shounen Jump) by Bartolomeobari

Franky, Nico Robin, Thousand Sunny (One Piece) by Bartolomeobari

Kikunojo, Nami, Onami (One Piece, Shounen Jump) by Afrobull