Related Clues:
- Tony Clifton, to comic Andy Kaufman
- Part of many a superhero's life
- Second person?
- Half a superhero's identity
- Batman, to Bruce Wayne
- Bruce Wayne, for one
- Captain Marvel, to Billy Batson
- Friend in old Westerns?
- Jekyll, vis-Ã -vis Hyde
- 19-Down, for one
- Intimate confidante
- Change conceit for other self
- Hidden or second self- in Latin
- One's other self
- Go, relate to other self