Craig Anstett

Taken aback by his mother's wedding announcement, a young man returns home in an effort to stop her from marrying his old high school gym teacher (Thornton), a man who made high school hell for generations of students. (imdb)

After a night on the town, Jennifer, Ellie, and Madeleine awake to find themselves stitched together into the same body. Determined to find out what happened to them and who is responsible, they set out on a madcap quest for revenge. (Amazon)