Probably ROTF Mixmaster. He was kind of floppy as fuck. Had no missile... Bought the green one, loose, for $20.
1. mib mp-03 from this forum which turned out to be broken 2. Classics cliff jumper without insurance. It got stolen in the mail. 3. Ko chms skywarp, very loose 4. TFC #0 I overpaid and a smokestack broke off in transit 5. Ko 1 thundercracker, i wish I knew hasbro would release it. That totally took me by surprise
Binaltech Convoy. Die cast makes the thing floppy and an incredible chore to balance. That and the robot mode is all over the place.