Top 10 List of DC/Marvel characters that are a little too similar.
10.) Aquaman and Namor (Submariner)
Lives under water, king of Atlantis, hates surface dwellers and likes tridents.
9.) Darkseid and Thanos
Angry, wrinkly faces, nice broad shoulders and a desire to conquer.
8.) Superman and Wonderman
Lack of creative naming abilities, pretty boy features with black hair, red beam shooty eyes, invincibility, flight and a strength.
7.) Martian Manhunter and Vision
Not human, monotone speech patterns, laser shooty eyes, intangibility, love of red and green color schemes and capes.
6.) The Atom and Hank Pym (Ant-man, Wasp)
Going for moonlight rides on small creatures and shrinking.
5.) Green Arrow and Hawkeye
Passion for archery, sticking devices to the end of arrows and a very specific color choice.
4.) Catwoman and Black Cat
Love of thievery and tight black jumpsuits and messing with their local superhero.
3.) Swamp Thing and Man-Thing
Possibly brothers considering the same last name (or half brothers is you account for the hyphen, love sleeping out doors and sunny days.
2.) Elongated Man and Mister Fantastic
Enjoys the sciences, happily married and married to happy woman (nudge, nudge, wink, wink, know what I mean?).
1.) Green Lantern Corps and Nova Corps
Set on saving the galaxy in skin tight outfits and decided that the galaxy needed policing, despite it being so big with diverse laws and cultures. Also very good at being completely destroyed and then rebuilt, thanks to one very awesome earthling (hurrah Earth!)