Michael Bistreich is suing his former employer New York City councilman Vincent Gentile for $10 million because he claims he was mocked and humiliated over his Asperger's syndrome

A man who has Asperger's syndrome claims he was mocked for his disability, had his teddy bears decapitated and was locked in a basement while working for a New York City councilman.

Michael Bistreich claims he was subjected to such cruel bullying working for Brooklyn City Councilman Vincent Gentile that he had to quit and is now suing him and the city for $10 million.

Bistreich claims in the lawsuit filed on Tuesday that he was ridiculed by Gentile and his former chief of staff, John Mancuso, over his disability for the two years he worked as a legislative aide in the office.

On one occasion, someone decapitated the teddy bears and other stuffed animals Bistreich kept on his desk.

One bear's head was mounted on a small flagpole.

A stuffed dog 'was gutted and impaled and had red coloring around its slit stomach, mouth and eyes to resemble blood,' the lawsuit said.

Bistreich said he was subsequently told that Mancuso was behind the beheadings.

Michael Bistreich claims in a lawsuit filed on Tuesday that someone in his office decapitated the teddy bears and other stuffed animals he kept on his desk

One bear's head was mounted on a small flagpole, while a stuffed dog was gutted had red coloring around its slit stomach to resemble blood

The suit also alleges that Mancuso once locked Bistreich in the building's basement for an extended period when he went there to retrieve something.

Bistreich also claims Gentile laughed when a person on his staff compared him to Avonte Oquendo - a New York City boy with severe autism who was found dead after he left school through an unattended door. The staffer allegedly suggested Bistreich 'test the doors.'

His attorney, Brian Heller, said the harassment occurred throughout Bistreich's two-year stint as Gentile's legislative and budgetary director.

But he said it became more severe this year when Bistreich began dealing more with the public. Gentile allegedly told Bistreich his twitching was 'unnerving' and asked him to increase his medication.

Bistreich claims in the lawsuit filed on Tuesday that he was ridiculed by Brooklyn City Councilman Vincent Gentile over his disability during the two years he worked for him

'They didn't want him to be seen by anybody,' said Heller.

Bistreich, who has a bachelor's and master's degrees from St. John's University, said he quit his job in June after he was demoted and a recent pay raise was cut.

Gentile represents parts of Brooklyn. His office didn't' respond to a request for comment but told the Daily News that he wouldn't comment.

Mancuso now works as a community relations official for the city's sanitation department and also said he was not allowed to comment on the allegations.