History of character has not yet been written.



  • Although Sy'rann always appeared as a green Martian, he was in fact a member of the white Martian sub-race.
  • When first introduced, the character was initially addressed as J'ornell. Subsequent appearances identified him as Sy'rann. It is possible that J'ornell may have been a first or a last name, but this has never been made clear.



  1. The powers and weaknesses listed are based on the common abilities of Martians first demonstrated by J'onn J'onzz. The refrences listed are based on J'onzz as depected in the Earth-One and New Earth continuities.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 Detective Comics #225
  3. Martian Manhunter #4
  4. Detective Comics #226
  5. Martian Manhunter (Volume 2) #8
  6. JLA #89