Award-winning Greek-American actor Michael Constantine (born Constantine Ioanides) was best known for his portrayal of the Windex bottle-toting family patriarch 'Gus Portokalos' in My Big Fat Greek Wedding (2002). Before his appearance in that movie and the subsequent TV series based on it, he was primarily known for his portrayal of principal Seymour Kaufman in the 1969 series Room 222
