prankster
/ˈpræŋktər/Definitions
1. noun
a person who plays jokes or tricks on others, typically in a lighthearted and harmless way.
“The prankster in our group managed to fill my room with balloons while I was sleeping.”
2. verb
to act as a prankster, typically by playing jokes or tricks on others.
“He pranked his brother by putting clear wrap across the doorway.”