Lost Cat near Phoenix, United States

Lost a 15-year-old male tuxedo cat named Fenris. Mostly black with a white underbelly, white cheeks, white whiskers, and white boots. The cat has green eyes and a pink nose with a black dot on it. He is wearing a dark collar with a gold fish-shaped tag, and a black spot is visible on the front left white boot. Has dementia and takes daily medication. Microchipped.