Plastic Grandpa?

Digging through the box of toys at Shelly's, it came as bit of a surprise when I unearthed this strange figure amongst the sharks, bugs, and alligators, only to have Carter identify it nonchalantly as "Grandpa", as if it were completely obvious. Karen said he's been calling it by that name for some time now and I suppose, if you squint, there's a bit of a resemblance. Now, some grandpas do have a plastic hip, a plastic knee--but this is ridiculous...