Edward "Ed" Nygma (formerly Edward Nashton), also known as The Riddler, is a former forensic scientist working for the Gotham City Police Department with a penchant for speaking in riddles. He later went down a path of criminal activity after murdering Tom Dougherty to protect Kristen Kringle from his abuse.

What was the Riddler's job?

The Riddler is commonly depicted as a criminal mastermind in Gotham City who takes delight in incorporating riddles and puzzles into his schemes, leaving them as clues for the authorities to solve.

Does the Riddler in Gotham have did?

It also works in the way DID usually does with the blackouts. Ed's DID may be partnered with psychosis which can explain seeing his alter and having hallucinations. ... The main difference between DID and Schizophrenia is the having two or more distinct personalities, which Ed/Riddler does have.