By Natasha Velez

The New York Post

C is for cookie — and for criminal charges.

A man dressed as Cookie Monster in Times Square was arrested yesterday for pushing a 2-year-old to the ground when the little boy's mom failed to tip after a picture, cops said.

Osvaldo Quiroz-Lopez, 33, was dressed as the "Sesame Street" character when he got into an argument with the Connecticut family at around 2 p.m., cops said.

The Mexican native demanded a tip from the toddler's mom after posing for a snapshot. When she balked, he cursed her and pushed the child to the ground, cops said.

The enraged costumed character was taken to the Midtown North station house and charged with reckless endangerment and endangering the welfare of a child.

Cookie Monster's bust was just the latest involving costumed characters in tourist hot spots.

A man dressed as SpiderMan in Times Square was arrested in February for allegedly slugging a mom, also over a tip.

Another man — dressed as video-game hero Mario — was charged with forcible touching in December for allegedly groping a woman, again in Times Square.

Last summer, an Elmo was busted in Central Park for anti-Semitic rants. He pleaded guilty to disorderly conduct.

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