Katrina (カトリーヌ・綾香 Katorīnu Ayaka) is the mistress of the fortune telling house House of Illusions. She gives advice for Mackenzie, but it is usually said in a manner that she has difficult to understand. Katrina used to work on the Circus before opening her fortune telling house on the town.

Katrina also appears in the iPhone application Osawari Tantei Uranai' (Fortune Telling).