How do Crash and Mike bully Penn?

Crash and Mike bully Penn by constantly mocking and teasing him, particularly targeting his interests, like his love for reading and his intelligence. They often use physical intimidation, such as shoving or pushing him, to assert their dominance. Additionally, they manipulate social situations to isolate him from his peers, further exacerbating his feelings of loneliness and insecurity. This relentless behavior creates a toxic environment for Penn, making him feel powerless and marginalized.