Hawkers with Ghostbusters t-shirts in Ghostbusters (1984)

Neurologist (Harold Ramis) in Groundhog Day (1993)

Town drunks Ralph (Rick Overton) and Gus (Rick Ducommun) in Groundhog Day (1993)

PHIL: “What would you do if you were stuck in one place and every day was exactly the same, and nothing that you did mattered?”
RALPH: “That about sums it up for me.”

Record executive Chris Moore (Harold Ramis) tries to sign the Lone Rangers in Airheads (1994)

Chris Moore: “You guys are the hottest thing since Marky Mark and the Funky Bunch!”

Rex: “Marky Mark? That guy sucks!”