Story: "Round Holes & Square Pegs" (27 Pages)

Credits:

Marv Wolfman (plot, script)
Eduardo Barreto (pencils)
Romeo Tanghal (inks)
Janice Chiang (letters)
Adrienne Roy (colors)
Barbara Randall (edits)

Feature Characters:

Nightwing
Wonder Girl
Changeling
Cyborg
Starfire III
Raven VI
Jericho
Danny Chase (all eight last in New Teen Titans Annual Vol. 2 #3)

Supporting Character:

Captain Arthur Hall (last in issue #36; next in Vigilante #48)

Villains:

Silver Fog II (Edward Arling; first appearance; Toth's former assistant)
I.Q. (last in Brave and the Bold #192; next in Power of the Atom #4)
Gentleman Ghost (last in Hawkman Vol. 2 #17; next in Spectre Vol. 2 #11; see Comment)

Other Characters:

Sam Toth (last in Detective Comics #479)
Archie Davidson (first appearance; a security guard)
Theodore M. Ford (first appearance; one of the richest men in America; dies)
Johnny Griffin (first appearance; a popular tv host; dies)

Comment:

Hawkman Vol. 2 #17 is no longer considered in-continuity so Gentleman Ghost's last chronological appearance might be DC Comics Presents #95 if that story is still part of continuity.