CANON + HEADCANON INFO

Canon includes Batman: The Animated Series, The New Batman Adventures, the Justice League, Justice League Unlimited, Batman: Mask of the Phantasm, Batman & Mr. Freeze: Sub Zero, Batman: Mystery of the Batwoman, Batman Beyond, Batman Beyond: Return of the Joker (unedited edition), and the crossover episodes with Superman: The Animated Series, Static Shock, and the Zeta Project.

*phew!*
( cut for excessive tl;dr )