Cool:D I'm writing up stuff for this as well, here is some other roles I thought up  
[list]
[*]Concessions Stand Attendees
[*]First Aid Station Nurse
[*]Park Manager & crew
[*]Skate Shop Owner & crew
[*]Surf Shop Owner & crew ([i] rivals[/i])
[*]City Groundskeeping & Maintenance 
[*]Tourists
[*]Locals

[/list]