Edward Nigma (Earth-Prime)

"A poor man's version of Cluemaster, this questionable wordsmith turns green with envy when compared to me, the premier enigmatist."

- Arthur Brown

The Riddler was a criminal and an enemy of Batman.

Early life
At some point, the Riddler had a daughter whom he named as Evelyn Rhyme, later known as "Enigma".

Riddle Me This
At some point, Riddler used his exceptional intelligence against Batman.

Abilities

 * Genius-level Intellect: According to Arthur Brown, the Cluemaster, Riddler is a skilled wordsmith despite inferior to him. Riddler was also the enemy of Batman, a very intelligent vigilante.