This is John Wick.
And these are the heroes who are similar to him.
Gallery
_from_Punisher_Vol_9_1_0001.jpg "Frank Castle (Earth-616) from Punisher Vol 9 1 0001.jpg (101 KB)")
Punisher (Marvel Comics)
Max Payne
Altair (Assassin's Creed series)
Ezio Auditore da Firenze (Assassin's Creed series)
Eric Draven (The Crow)
Harry Callahan (Dirty Harry series)
Zhao Yun (Romance of the Three Kingdoms)
Yukimura Sanada (Sengoku Basara series)
Jotaro Kujo (JoJo's Bizarre Adventure)
Agent 47 (Hitman series)
Golgo 13
Thomas Rogan (The House of the Dead series)
Richard Miller (Time Crisis)
Niko Bellic (Grand Theft Auto series)
Connor (Detroit: Become Human)
Robert McCall (The Equalizer series)
Duncan Vizla (Polar)