What's a good prank to play on my bro, nothing messy or too mean please!!
If you have a computer mouse with a ball thing on the bottom, put tape on the ball so that the mouse doesn't work. It's gold.
Pretend you lost your voice
The String prank. search for it on youtube
Put Crisco on the refrigerator door handles on the back side or the back side of door knobs
Put axel grease under his car door handle