Jack Limb is a pre-made Sim from Midnight Hollow. He is a toy collector, which is shown in his collection room, although he lacks the skill to make one himself. His lover, Sarah Holden, was kidnapped by the evil Roderick Synapse, whom he is enemies with.
Jack is employed in the Professional Sports career as a Toddler Sports Coach. He is romantically interested in Sarah Holden, who is kidnapped, and Katarina Stewart, another toy collector. He has a higher relationship with Sarah, although the player can choose to improve his other lover's relationship. Outside of that, he is acquainted with his boss, and enemies with the evil Roderick Synapse. He has 2 points in the Athletic and one in Painting skills at the start of the game.
- He is possibly a parody of Jack Skellington from The Nightmare Before Christmas. He may even be a spoof of Victor Van Dort from Corpse Bride, given his love triangle with two women.