Riddler

Edward Nygma AKA The RIddler AKA The Syndication Informant is a former villain that is currently running an information/hardware store.

Part of the Original Syndicate
Riddler was one of the original 13 villains part of the Syndicate. He was defeated by Batman however putting him in Prison.

S.H.I.E.L.D. Prison
Riddler was one of the inmates of the SHIELD prison, transferred there after the Abomination Incident. He was a cellmate with Basil Karlo AKA Clayface. They both agreed to reform when they were released from prison. However when Firefly attacked the prison they managed to escape together.

Invitation to new Syndicate
Riddler was one of the Villains invited to the new syndicate meeting. He however declined the offer and returned to his shop, whilst his cousin Arthur Browne AKA The Cluemaster accepted.

New Role
Establishing "Riddler's Hardware", Nygma and Karlo were visited by Arrow and Nightwing asking for information on the Syndicate. He reluctantly gave up the information, as well as Cluemaster's hideout to the heroes, later saying come back if you need anything.

Appearences

 * Episode 2: Batman vs. The Villains
 * Episode 11: Ian's Therapy
 * Episode 18: Syndication Informant