>>149769289
Canonically? Maybe Xavier's mother. It's at least a dozen and implied to be way more.
>This happy place holds magic meaning, for 'twas my mother's nickname. Truckers, Delivery guys, men coming in and out of the house all day called her "the grand canyon", but I never knew why. It's just a great wide gash, spread open for the enjoyment of all to come inside as he pleases and pleasures. Often there's a donkey in there.

https://www.youtube.com/watch?v=RRLN24v5zAY