Susan Wells is a beloved character in the 2003 film, "Elf." She is the mother of Buddy the Elf, played by Will Ferrell. Susan is an adoptive mother who raised Buddy as her own despite his being different from other children. Susan is a kind and caring person who loves Buddy unconditionally and helps him navigate the world outside of Santa's workshop. Her relationship with Buddy is the heart of the story, and her love for her son is one of the most important elements of the film.