Type of Conflict: Character v.s. Character.
"I" 's personality: Smart. (That is how he is good at pranking.) Lazy, doesn't want to do work. (That is why he became a prankster.) But, he is good at heart. (Saves Willie from the bullies and takes the rap.)
Willie: Arrogant, boastful. (That is how he got into trouble with the bullies.) In his heart though, he is a scared person. (When threatened by bullies, he was terrified.) But, he is also a brave person too.
Bullies: All are selfish, mean and truly arrogant. (Describe by behavior.) They are also cowards. (Tell by them running away.)
So, there you have it!