Today we continue our look at Kingdom Come canon immigrants with a super post about appearances from the book that have become mainstream and other business.
The name and mask first appeared in Kingdom Come #2 (June 1996); Nuklon first adopted them in JSA Secret Files and Origins #1 (August 1999).
The character design first appeared in Kingdom Come #1 (May 1996) as a new look for Hawkman; Northwind first adopted it in JSA #56 (March 2004).
The Green Lantern armor first appeared in Kingdom Come #1 (May 1996); it later appeared in JSA #15 (October 2000), and then again when Alan Scott is possessed by the Starheart in Justice Society of America #42 (August 2010).
This Starman costume first appeared in Kingdom Come #2 (June 1996). It first appeared in Starman #80 (August 2001), though with yellow gloves and (probably) belonging to Post-Zero Hour Thom Kallor. It later showed up in Justice Society of America #2 (March 2007), belonging to Pre-Zero Hour Thom Kallor, the same one portrayed in Kingdom Come.
Red Robin first appeared in Kingdom Come #2 (June 1996) as a grown up Dick Grayson. Jason Todd took the name in Countdown #17 (January 2008), when he found the costume in an Earth-51 Batcave; he was later followed by Ulysses Armstrong in Robin #177 (October 2008) and Tim Drake in Red Robin #1 (August 2009).
The Red Arrow name and costume first appeared in Kingdom Come #2 (June 1996). It appeared again - sans hat and beard - on the cover of Justice League of America #1 (October 2006), before appearing in-story in Justice League of America #7 (May 2007).
This Captain Atom design first appeared in Kingdom Come #1 (May 1996); it showed up again in Captain Atom: Armageddon #1 (December 2005).
A hostless Nabu first showed up in Kingdom Come #2 (June 1996). He later appeared in Day of Vengeance #2 (June 2005) when he tried to prevent the Spectre from destroying magic.
Superman shield's black background
Superboy's Legion of Super-Heroes uniform
In Kingdom Come #1 (May 1996), a version of the Legion of Super-Heroes appears in one panel. Later, when Superboy teams up with the Legion in one adventure (Superboy #45, October 1997), they give him a costume based on the one Superboy was wearing in Kingdom Come.
The whole reality (Earth-22)
The reality was first designated as Earth-22 in 52 #52 (May 2007).
The Quintessence first appeared in Kingdom Come #3 (July 1996), and later in JLA #29 (May 1999). All characters existed prior to Kingdom Come.