The Lizard Man is from Wonder Boy III: The Dragon's Trap and the Soul Calibur series.
If you mean Togera, it is a large lizard from a video game
The Lawnmower Man - video game - happened in 1993.
Iron Man - video game - happened in 360.
Made Man - video game - happened in 2006.
Trigger Man - video game - happened in 2004.
Mega Man - video game - happened in 1987.
Demolition Man - video game - happened in 1995.
Mega Man - Game Gear video game - was created in 1995.
Mega Man - Game Gear video game - happened in 1995.
The Lawnmower Man - video game - was created in 1993-11.
Demolition Man - video game - was created in 1995-08.
Iron Man - video game - was created on 2008-05-02.