Just how many characters have been killed and resurrected in DC Comics, and what is the average timespan between the two events? Let's have a look.
Lightning Lad
Death: Adventure Comics #304, January 1963
Return: Adventure Comics #312, September 1963
Barry Allen
Death: Crisis on Infinite Earths #8, Nov. 1985
Return: Final Crisis, 2008
Timespan: 23 years
Metamorpho
1st Death: Outsiders #28 Feb 1988
Return: Invasion #3 Feb 1989
Timespan: 1 year
2nd Death: JLA #1 Jan 1997
Return: Doom Patrol #4 March 2002
Timespan: 6 years
Jason Todd
Death: Batman #428, Dec. 1988
Return: 2005
Timespan: 17 years
Superman
Death: Superman #75, Jan. 1993
Return: Exact issue unknown, ca 1993.
Timespan: Less than a year.
Hawk
Death: Zero Hour, 1994
Return: Blackest Night, 2010
Green Arrow
Death: Green Arrow #101 Oct 1995
Return: Green Arrow #1 April 2001
Timespan: 5.7 years
Hal Jordan
Death: The Final Night, 1996
Return: Green Lantern: Rebirth, 2005
Timespan: 9 years.
Donna Troy
Death: Titans/Young Justice: Graduation Day #3, Aug. 2003
Return: DC Special: The Return of Donna Troy, 2005
Timespan: 2 years.
Jade
Death: Infinite Crisis, 2006
Return: Blackest Night, 2010
Timespan: 4 years
J'onn J'onzz
Death: Final Crisis #1, 2008
Return: Blackest Night, May 2010
Timespan: 2 years
Batman
Death: Final Crisis, 2009
Return: Batman: The Return of Bruce Wayne, 2010
Timespan: 1 year
Others
Arsenal (Roy Harper)
Kilowog (and a bunch of the corps)
The Question (Vic Sage)
Blue Beetle (Ted Kord)
Karate Kid 1 (Legion of Super Heroes)
Blok (Legion)
Sun Boy (Legion)
Element Lad (Legion)
Invisible Kid (Lyle Norg)
Chemical King
Mon-El
Laurel Gand
Magnetic Kid
1/3 of Triplicate Girl
Characters that have remained dead
The Golden Age: Atom, Hourman
Others: Don Hall/Dove, Katma Tui, Kole, Ferro Lad (Legion), Azreal