Appearance of Villains of Batman
The villain known as Mr. Freeze appeared in 1959.
The villain known as Poison Ivy appeared in 1966.
The villain known as The Penguin appeared in 1941.
The villain known as The Joker appeared in 1940.
The villain known as Harley Quinn appeared in 1992.
The villain known as Mad Hatter appeared in 1948.
The villain known as The Riddler appeared in 1948.
The villain known as Catwoman appeared in 1940.
The villain known as Two-Face appeared in 1942.