Muirhead Adam

Japanese name:	アダム·ミュアヘッド
Nickname:	Jack the ripper

Adam is one of the main characters of the manga and anime series Nobunagun. He is an E-Gene Holder affiliated with DOGOO and a member of the Second Platoon. Adam is best known for his distinctive smile while fighting, having the blood of the famous english killer Jack the Ripper running through his veins.

NobunagunWikia