Leave Donald out of this!! He's more of a 'sailor boy' fetishist anyway.
now Duck TAPE yeah... I can see that or better yet... double sided sticky backed plastic on the seat meaning he COULD get up, but DAMN it's gonna hurt like a bitch! (Especially if you rig some sort of "Bog Monster to emerge from the toilet between his legs while he's stuck there. (DAMN I'm a sick puppy lol))