Which of Dwight Schrute's pranks in The Office (US) was the most ingenious?

Dwight Schrute's Pranks
The Office (US)
The Office
TV
Dwight Schrute's Pranks poll options
Dwight Schrute's Pranks
The Office (US)
The Office
- Encasing Jim's stapler in Jello
- Dressing up as Future Dwight
- Creating a fake fire drill
- Convincing Jim he's been Asian all along