1. Eugene Levy suggested that Catherine O’Hara play Moira.
Dan Levy quipped, “I wasn’t going to say, ‘No, that’s not a good idea.'” When he gives Catherine O’Hara, you seize the opportunity.”
2. Nobody knew what Moira’s accent would sound like until Catherine filmed her first scene.
3. Once Annie Murphy discovered the appropriate inflection for Alexis’ signature phrase, “Ew, David,” she would incorporate “David” into as many lines as she could.
She explained, “I simply ran with it. “I drove it into the ground.”
4. During filming, Catherine devised Moira’s famous pronunciation of “bébé”.
She explained, “I used the word ‘bébé’ as a joke or a mistake the first time. It was all over after I said ‘bébé’ and received a laugh from the team.”
5. Catherine was the one who suggested Moira wear several wigs throughout the series.
6. Also, in the Season 6 opener, Moira’s white wig is really backward – Catherine stated, “If you put it on properly, it looks like Sia.”
7. Moira’s style was initially inspired by Daphne Guinness.
8. When Patrick sings the cover of “Simply the Best” to David, Noah Reid composed the song himself.
9. The Kardashians, Lindsay Lohan, the Olsen twins, and Paris Hilton were Annie’s main influences on Alexis.
10. Annie came up with Alexis’ iconic hand gesture after seeing videos of how the Kardashians handle their handbags and then imitating it without one.