green characters you can think of

[Spartacus]

 

[H_T_]

Green Arrow, the barely used Superfriend.

 

[lilred]

Kermit, Lil Sprout, and sometimes the smoking caterpillar is depicted as green

 

[squatpuke]

Did anyone say "The Riddler" from Batman?

 

[blut wump]

Did anyone say "The Riddler" from Batman?

No not yet.

The Green Lantern Guardians.

 

[sublime35]

Swamp Thing