Mary Callaghan Walker (aka Callie from Cali) is from Palo Alto, California. A huge animal lover, Callie has two dogs and a cross-eyed cat back home. This soulful, sassy mezzo loves watching Survivor and anything created by Shonda Rhimes. An Irish sweetheart who was voted “Person You’d Most Want With You on a Desert Island,” Callie is always a ball of fun. She completes the dynamic duo, Ebony and Ivory.