She is also in the dedication of an Abundance of Katherines. (Maybe other books, I don't know) as well as the Acknowledgements. The Yeti is sometimes seen in glimpses in some Brotherhood 2.0 videos or the post-B20 videos. She is also heard in many videos.
"I'm Hank," says John
"and I'm the Yeti" says the Yeti
2. The snowy bigfoot guy.
I was doing this chick on the ski slopes at Vail and I decided to give her the yeti. She groaned, and sounded like a yeti, which attracted a REAL YETI. It was frigging huge, and had horns and shit, so I had to ski away with my junk out.