Alvin, Simon, and Theodore are stranded on a desert island, in desperate need of Dave (Jason Lee) in the upcoming New Regency sequel Alvin and the Chipmunks: Chip-Wrecked, which reteams the squeak-rockers with their female equivalent The Chipettes. It's still a man's world, as the latest set of four character posters prove. Alvin, Simon, and Theodore are all accounted for, but those pesky Chipettes are nowhere to be seen. Check out these latest one-sheets below.