Antonio Carigan, professionally known as Ruka Stone, is a Croatian adult film actor born on December 12, 1983, in Rijeka, Croatia. He began his career in 2005 at age 22 and retired around 2015, starring in over 375 films under aliases like Igor Benvenuti, Igor Demler, and Irving Hunter. Featuring distinctive tiger stripe tattoos on both arms, Carigan specialized in hardcore genres including anal, double penetration, and bisexual scenes.
He collaborated with major studios such as DDF Network, 21 Sextury, and Legal Porno, appearing in titles like Anal Teen Tryouts 14 (2007), DP Inside 4 (2008), and various Legal Porno series (2012). His work primarily featured European productions with performers like Sharka Blue and Valentina, establishing him as a versatile and prolific performer in the adult industry.