Creator
Bill Finger, Bob Kane
  
John Broome, Gil Kane
  
In Comics
Detective Comics #27 (May 1939)
  
Showcase #22 - S.O.S. Green Lantern / Secret of the Flaming Sphere / Menace of the Runaway Missile!
  
Base
Batcave, Stately Wayne Manor, Gotham City; Hall of Justice, Justice League Watchtower
  
Oa
  
Relatives
Damian Wayne (son), Dick Grayson (adopted son), Tim Drake (adopted son), Jason Todd (adopted son), Cassandra Cain (adopted ward) Martha Wayne (mother, deceased), Thomas Wayne (father, deceased), Alfred Pennyworth (former guardian), Roderick Kane (grandfather, deceased), Elizabeth Kane (grandmother, deceased), Nathan Kane (uncle, deceased), Simon Hurt (ancestor), Wayne Family
  
Amon Sur (son), Arin Sur (sister), Thaal Sinestro (brother-in-law), Soranik Natu (niece)