1. Saran Wrap Gag: Wrap his entire toilet seat with saran wrap, so that when he sits down, he gets a little surprise.
2. Balloon Room Surprise: Fill his bedroom or car with balloons so when he opens the door, he's showered with balloons.
3. Alarm Clock Prank: Change his alarm clock's time to a really early hour like 3 am, so he wakes up thinking he'll be late.
4. Food Swap: Replace some of his favorite snacks in the pantry with similar-looking, but funny alternatives, like replacing cookies with Oreos covered in toothpaste.
5. Sticky Notes Everywhere: Put sticky notes with humorous messages all over the house, so he goes around finding unexpected notes.
6. Fake Grocery List: Create a grocery list with unusual items like "invisible string" or "purple potatoes" and ask him to bring them home from the store.
7. Magic Trick Mishap: Do a simple magic trick in front of him, then pretend you accidentally spill something, making a big mess.
8. Voicemail Prank: Pretend to be a telemarketer or call from a fake number with a funny message.
9. Car Rearrangement: Rearrange the items in his car, like swapping the front and back floor mats, or moving his glasses to a different place.
10. Missing Item Hunt: Hide something he uses regularly, like his car keys or phone, then text him cryptic clues to find it.