PocketBac/Grumpy Old Troll (from Dora the Explorer)

Cast

 * Vanilla Icing as Grumpy Old Troll

Lyrics
Vanilla Icing: I'm the grumpy old troll who lives under the bridge Hey, I'm the grumpy old troll who lives under the bridge, who's there? If you wanna come over, all you have to do is this All you have to do is this

I'm the grumpy old troll who lives under the bridge Hey, I'm the grumpy old troll who lives under the bridge, who's there? If you wanna come over, all you have to do is this All you have to do is this

Solve my riddle