The Guy Who Is Only Having Coffee Because He Partied SO Hard
The sight of alcohol could easily trigger a flashback of nausea. Will compare his hangover to previous hangovers from the same month. Most of his conversation revolves around the previous night. Often wears sunglasses inside.
The Guy Who Shows Up Late And Keeps Everyone From Ordering
Either extremely disheveled or freshly showered. Depending on his level of likeability (extremely high or low, correlating inversely to cleanliness), his presence is either showered with happy hellos or shrugged greetings. Likely to help himself to the pitcher of mimosas/half-finished apps without contributing to the bill.
The At-Home Brunch Host
Slaved all morning so that their friends can show up with a jug of gas station orange juice.
The Couple Who Obviously Just Hooked Up For The First Time
The air is thick with awkward etiquette and overly long looks, and there's a lot of laughing at jokes that aren't funny.