Fun? You think so? Hoo-hoo. They're my own design.
4 seconds sound clip from Darkwing Duck - Just Us Justice Ducks Part 2 (S1E21).
You can hear this line at 00:07:05.700 in the DVD version of the TV Series.
Quote context
[...]
- Oops. Shh. I've gotta be careful. Anyone could be a villain.
- Good thing I've got a disguise.
- Blaah! A dinosaur in a fake nose and glasses!
- No, no, no, no. I'm not a dinosaur. This is my real nose and glasses, honest.
- Oh, boy! Toys. They're so fun!
- Fun? You think so? Hoo-hoo. They're my own design.
- That's not nice. You're a villain.
- Ah... oh, no. Here comes Mr. Droopy Lids.
[...]