Expanded Universe - Canonicity

Canonicity

Although there are some exceptions, Expanded Universe works are generally not accepted as canon, or part of the 'official' storyline. They are generally seen as 'apocrypha'. In some (rare) cases, characters created for an Expanded Universe can become 'adopted' by the canonical works associated with that franchise - one example being Star Wars, although, most of the Star Wars Expanded Universe is considered canonical anyway.