Monster - Season 1 - Eps 72: A Nameless Man
Lunge confronts Roberto, one of the ringleaders, in a hotel room. Both are subsequently wounded in the fight. Nina and Gillen arrive in Ruhenheim where they find a house containing drawings of the two twins by Bonaparta. This triggers a final memory and the secret to Johan's madness and motives, his quest for true solitude, as well as forgiveness for his actions. Bonaparta accompanies Tenma on his quest to find and kill Johan.
About Monster

Title: Monster
First Air Date: 2004-04-07
Last Air Date: 2005-09-28
Status: Ended
Rating: 8.521/10 (from 629 votes)
Language: JA
Seasons: 2
Total Episodes: 74
Network: Nippon TV
Genres: Animation, Drama, Crime, Mystery
Production Companies: Shogakukan Production, Madhouse, VAP
Synopsis
Kenzou Tenma, a Japanese brain surgeon in Germany, finds his life in utter turmoil after getting involved with a psychopath that was once a former patient.
Cast

Hidenobu Kiuchi
Tenma (voice)