The Platinum Age 1897 - 1938
Yellow Kid - 1885
Little Orphan Annie - 1926
Tarzan - January, 1929
Mickey Mouse - January, 1930 (Made Screen Debut in 1928)
Dick Tracy - October, 1931
The Phantom - February, 1936
Golden Age 1938-1956
Superman - June, 1938
Batman - May, 1939
The Flash - November, 1939
Robin - April, 1940
The Green Lantern - July, 1940
The Human Torch - Fall, 1940
Captain America - March, 1941
Wonder Woman - December, 1941
Looney Tunes - 1941 (Bugs Bunny, Elmer Fudd, Daffy Duck and Porky Pig)
Woody Woodpecker - April, 1942
Donald Duck - 1942
Superboy - 1945
Silver
Age
Fantastic Four - November,
1961
Incredible Hulk - 1962
Thor - 1962
Spider Man - August, 1962
Iron Man - February 1963
Daredevil, April 1964
X-Men - August 1964
Teen Titans - January, 1966
Conan the Barbarian - October 1970 (However it was created in 1932)
Bronze
Age
The Punisher - February 1974
Wolverine - October 1974
Teenage Mutant Ninja Turtles - 1984
X-Force - 1991
Spawn - May, 1992