Remember those cute little miniature logs with the notches? The ones you'd use to construct your dream fort/log cabin? Well, Adrian Grenier absolutely adored the famous toy.
"Loved Lincoln Logs—to build things, but more to catapult," the actor replies when asked about his childhood obsession. "You could take little pieces of wood, and you could put them on the other little block. And then put a block on one end, and boom! Catapult your army men."
Fellow silver screen actor Jai Courtney, while not totally obsessed, was very keen on playing dress up as a kid.
"I was digging into the eyeliner and painting on mustaches all the time," he tells Fuse.
Find out what actress Bre Blair and comedian Michael Ian Black had to say about their childhood passions, and then check out more My First Obsession below: