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Ida Davis (formerly Daniel "Dan" Quagmire) is Glenn, Gary, & Brenda Quagmire's father, a Vietnam War hero pilot and husband of Crystal Quagmire who Glenn claims to have been even more of a ladies man than he is.

In "Quagmire's Dad", Dan Quagmire arrives in town to be honored at the Officer's Club for his war service. When Glenn introduces Peter and Joe to him, Dan's dance to "These Boots Are Made for Walkin'" implies that Dan is a homosexual, much to his friends' chagrin. When Peter tells Glenn of his suspicion, he laughs it off and then defends his dad as a war hero. At the ball, Quagmire is soon bombarded by comments about his father's sexuality from fellow sailors. When Glenn confronts him, he reveals his feelings that he is a "woman trapped in a man's body", and came to Quahog wanting a sex change operation. Glenn was very concerned, but ultimately decided to support his father's decision.

After the operation takes place, the surgery is announced to be a success, with Dan Quagmire emerging as an "attractive" blonde woman now known as Ida Quagmire. At dinner with the Griffins that night, Ida reveals that she has no problems discussing the procedure. When her son shows his frustration at that, the two argue, leaving Ida to depart and stay at the Marriott hotel, where she meetsBrian. The two bond, and end up having sex in her hotel room. When Peter and Lois find out, they are so shocked they begin to laugh. Meanwhile, Ida goes to Glenn to apologize, and when she tells him about her night, he becomes enraged that his father slept with his worst enemy. Glenn then beats Brian senseless, leaving him badly injured. Brian gets the last word, however, rubbing in Quagmire's face the fact that the intercourse did happen and slams the door shut.

Ida appears at the Griffin Home in "Thanksgiving" for dinner. Her son is still shown to feel uncomfortable around her, and interaction with Brian has become limited and awkward. When Kevin Swanson reveals that he ran away from the army Brian stands up for Kevin's choice and says the only one who could understand and support Kevin's choice was Ida. However, Ida did not support Kevin's choice to which Brian responds that Ida is just some dumb drag queen. Ida says the fact that Kevin abandoned his fellow soldiers was what was most unforgivable.

In "Quagmire and Meg", Quagmire says that his father is now "Ida Davis".

In "Valentine's Day in Quahog", Stewie gathers scores of Brian’s former dates including Ida to get to the bottom of why he’s unsuccessful in love. When Brian lashes back at the criticism, he notes that Ida still has bits of penis left.

A piece of stationary from the Marriott when Brian had sex with Ida plays a key part of Brian's defense of Mayor Adam West in "12 and a Half Angry Men".

Ida helps search for Glenn after he is kidnapped by Sonja in "Quagmire's Quagmire".

Ida attends Brian's funeral in "Life of Brian".

Quagmire mentions his dad not being around much while in the military in "Quagmire's Mom". Stewie also clues in Crystal on her former husband's operation.

Ida is voiced by Seth MacFarlane.


  • FG818 Quagmire's Dad
  • FG1006 Thanksgiving
  • FG1010 Quagmire and Meg (mentioned)
  • FG1112 Valentine's Day in Quahog
  • FG1116 12 and a Half Angry Men (mentioned)
  • FG1203 Quagmire's Quagmire
  • FG1206 Life of Brian
  • FG1310 Quagmire's Mom (mentioned)
  • FG1316 "Roasted Guy"
  • FG1402 "Papa Has A Rollin' Son"
  • FG1407 "Hot Pocket-Dial"
  • FG1410 "Candy Quahog Marshmallow!" (mentioned)


  • The DVD commentary for "Quagmire's Quagmire" reveals that actor Paul Bettany influenced the look of the character design of Ida.