Yeah, she is. She was confirmed from a promotional poster released quite a time ago.
List of confirmed characters: http://en.wikipedia.org/wiki/King_of_Fighters_XII
The King of Fighters XII happened in 2009.
The King of Fighters XII was created on 2009-04-10.
The King of Fighters XII - 2009 VG is rated/received certificates of: USA:T
no k` will not
The King of Fighters XII - 2009 VG was released on: USA: 24 July 2009 Japan: 30 July 2009
Rachel Walzer has: Played Diana Kingston in "Meitantei Conan" in 1996. Played Savyna in "Baten kaitosu: Owaranai tsubasa to ushinawareta umi" in 2003. Played Nina Valkov, Patty Debisae, Becky Wanz in "Michigan" in 2004. Played Leona in "The King of Fighters XII" in 2009. Played Leona in "The King of Fighters XIII" in 2010.
Sage Reviews - 2008 King of Fighters XII 2-26 was released on: USA: 13 August 2009
probably not since KOF XIII is coming out
Coin-Op TV Live - 2007 King of Fighters XII 3-11 was released on: USA: 16 July 2009
Tsunehito Maruo has: Played Duo Lon in "The King of Fighters 2003" in 2003. Played Lee Pai Long in "NeoGeo Battle Coliseum" in 2005. Played Duolon in "The King of Fighters XI" in 2005. Played Duo Lon in "The King of Fighters XII" in 2009. Played Duolon in "The King of Fighters XIII" in 2010.
Hiroko Tsuji has: Played Mature in "The King of Fighters 2000" in 2000. Played Mature in "The King of Fighters 2002: Challenge to Ultimate Battle" in 2002. Played Mature in "The King of Fighters: Neowave" in 2004. Played Luise Meyrink in "KOF: Maximum Impact 2" in 2006. Played Mature - Console version only in "The King of Fighters XII" in 2009. Played Mature in "The King of Fighters 2002: Unlimited Match" in 2009. Played Mature in "The King of Fighters XIII" in 2010.
Yoshinori Shima has: Played Clark Still in "The King of Fighters 2001" in 2001. Played Clark Still in "The King of Fighters EX2: Howling Blood" in 2003. Played Goenitz in "SVC Chaos: SNK vs. Capcom" in 2003. Played Clark Still in "The King of Fighters 2003" in 2003. Played Clark Still in "The King of Fighters: Neowave" in 2004. Played Clark Still in "King of Fighters: Maximum Impact" in 2004. Played Clark Still in "KOF: Maximum Impact 2" in 2006. Played Clark Still in "The King of Fighters XII" in 2009. Played Clark Still in "The King of Fighters XIII" in 2010. Played Goenitz in "KOF: Sky Stage" in 2010.