A.J. Quartermaine is a fictional character from General Hospital, an American soap opera on the ABC network. Born on-screen in 1979 as the only biological child of the iconic Drs. Alan and Monica Quartermaine, A.J. was "SORASed" in 1991, revising his birth year to 1973. The role has been most notably portrayed by the actors Sean Kanan from 1993 to 1997 and Billy Warlock from 1997 to 2003, with a brief return in 2005. Kanan made his on-screen return as A.J. on October 26, 2012, after a 15-year absence. Kanan announced in March 2014 that he would once again be leaving the series, voicing his disappointment over the writing for the character.

Kiki Jerome is a fictional character from General Hospital, an American soap opera on the ABC network. The role was originated by Kristen Alderson in 2013 when Kiki was introduced as the troublesome girlfriend of Morgan Corinthos having gotten him involved in a dangerous gambling ring. Alderson had previously appeared in the series as Starr Manning, a role she originated on One Life to Live. The character was written into the series as the illegitimate daughter of Franco in 2009. Upon her introduction, Kiki's mother Ava Jerome reveals that she is the biological daughter of Dr. Silas Clay. In 2015, Alderson vacated the role and was replaced by Hayley Erin, who exited the role in late 2018. Erin returned for a one-episode guest appearance in 2019.