His aunt, a writer for Chelsea Handler's E! show, posed as Sarah Palin to endorse him for president of his fraternity in a YouTube video.
On LaBella's Facebook page, there are also photos of him appearing at celebrity events and posing with reality TV's Kardashian clan. It also appears that he had a couple of bit parts as a child actor.
Lohan's father, Michael, had not spoken to his daughter but had a message for her antagonist.
"Wait till I get this guy," he said.
Lohan left the W Hotel about 2 p.m. Sunday through a loading dock and headed to her mother's home on Long Island. A family friend said the episode set off an asthma attack.
"She's been inside all day," another family friend said. "She's not coming out."
By Barry Paddock , Joanna Molloy , Carson Griffith AND Tracy Connor / New York Daily News
With Soo Youn, Rocco Parascandola, Vera Chinese, Jennifer H. Cunningham, Nate Freeman and Joyce Chen