Creator
Bill Finger, Bob Kane
  
Mike Friedrich, Jim Starlin
  
In Comics
Detective Comics #27 (May 1939)
  
Iron Man #55 - Beware - Beware - Beware the Blood Brothers!
  
Base
Batcave, Stately Wayne Manor, Gotham City; Hall of Justice, Justice League Watchtower
  
Not Available
  
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
  
Not Available