Meet the Mooshibots, they are very curious and enjoy attempts of reproducing all the time. They'll probably explode at some point but you can still enjoy them with one of these Cute Robot T-Shirts designs.

Anything	Excited	Mooshibot (Hers)
Mooshibot (His)	On Top	Overrated
Plug	Turn Me On	Upgrade
Vibrate	Virus