Most Dangerous Man Alive - 1961 is rated/received certificates of: USA:Approved
Chuck Norris
a mouse
Man.
Tales of Wells Fargo - 1957 The Most Dangerous Man Alive 3-9 was released on: USA: 10 November 1958
I think in Grant Morrison's run at the JLA comics (which starts with "Book 1: New World Order), Superman calls Batman the "most dangerous man on earth."
polar bearsGrizzily bearsBlackbears
man
D.B. Cooper was a man who hijacked a Boeing 727 airline in 1971. After receiving the $200,000, he ordered the pane to take off, and while in flight, he parachuted out of it. We are unsure if he is alive or dead as his true identity is unknown.
No Dolphins in general are not dangerous to man.
the english
Clearly, Man.