He is a young twenty-something year old Caucasian male with ginger hair and a beard and has blue eyes. He also wears glasses just like Velma.
Takes his museum very seriously, and can get rather hasty putting on the "tough guy" voice and roughing up anyone to get answers of the stolen costumes. He shares a common interest with Velma in solving mysteries and has an interest in her as well.
Scooby-Doo 2: Monsters Unleashed
Patrick met Velma and the gang at the opening night of the costume exhibit and asked Velma if she wanted to go on a date with him, but she was too nervous about expressing her feelings and made up an excuse about solving mysteries was her "mistress" and she had to be ready to answer her call.
He was later devastated by the sight of his museum having been robbed, and after a few outbursts he was thought to be Evil Masked Figure behind all of it. He turned out not to be the one, and saved from falling from a hole in a catwalk. After the was unmasked, she brought up the courage to accept his offer of a date from before. He later celebrated with the gang and other citizens of Coolsville at the Faux Ghost.