: Glenn Quagmire’s father, Lieutenant Commander Dan Quagmire , a highly decorated Navy war hero, comes to Quahog for a visit.
: She is a veteran of the Iraq war and the ex-husband of Crystal Quagmire. 18. Quagmire's Dad
: After Quagmire’s friends initially suspect Dan might be gay, Dan reveals he is actually "a woman trapped in a man's body" and plans to undergo gender reassignment surgery. : Glenn Quagmire’s father