Manhattan

The suspect pictured above is wanted for robberies in the East and West Village, authorities said.

He first struck on Dec. 13 when he followed two men into a building lobby on Waverly Place near Christopher Street and pulled a gun at about 3:45 a.m., cops said.

The suspect demanded money and fled when one of the victims handed over $400.

On Dec. 30, the thief and an accomplice robbed a 31yearold man at gunpoint on Thompson Street between Bleecker and West Houston streets, stealing his cellphone, watch and $300, cops said.

The mugger struck again on Jan. 14 when he followed a 27yearold man into an elevator, indicated that he had a gun and took $150.

On Jan. 19, he pulled a knife on a 28yearold man in the lobby of an apartment building on East 10th Street at about 5:30 p.m., police said.

He fled when the victim refused to hand over a messenger bag, cops said.

In the most recent incident, on Jan. 21, he held up a 24yearold woman in the elevator of her building, indicating he had a pistol and stealing $50.

The suspect is believed to be about 40 years old, 5foot4 and 160 pounds.

The suspect pictured above exposed himself to two women on board a subway train in Midtown, authorities said.

He approached the first victim on a downtown 4 train last Thursday at about 7:30 a.m. as it was nearing Grand Central Station and pulled down his pants, police said.

When she told him to get lost, he went into another car where he exposed himself to a woman, cops said.

The suspect was described as about 30 years old and 5foot9.