Susannah's "Others" Odetta Holmes - Susannah Dean - Detta Walker Susannah Odetta Holmes Dean, previously known both as Odetta Holmes and Detta Walker, is one of the main protagonists in The Dark Tower Series. Introduced in The Dark Tower II: The Drawing of the Three, she continues as a main character for the remainder of the story Odetta Holmes was the only child of Dan and Alice, a wealthy black couple, from New York City. At the age of five, serial killer Jack Mort dropped a brick on Odetta's