There are twelve types of customers, each with different levels of tipping and patience.

Good tippers and impatient
Businesswoman, businessman, bride (pink dress with tiara)

Average tips and patient
Woman with brown skirt, man with grey pants, prom queen (little pink dress), male student

Average tips and impatient
Female student

Bad tips and impatient
Punk boy and Goth girl

Bad tips and very patient
Grandma and grandpa