Armin Shimerman is an American actor and author. He is known for his work as the Ferengi bartender Quark on Star Trek: Deep Space Nine, Principal Snyder on Buffy the Vampire Slayer and Judge Brian Hooper in the first 7 episodes of Boston Legal in its third season in 2006. He is also known for his voice work as General Skarr and Stomach in Grim & Evil, Evil Con Carne, and The Grim Adventures of Billy & Mandy, Dr. Achilles Milo in Justice League Unlimited and reprised the role in the 2016 video game Batman: Arkham Underworld, Prof. Mark Haley and Ace Morgan, The Calculator, The Psycho Pirate and The Second Red Lantern Guardian in Batman: The Brave and the Bold, Raanu (along with a Villager and a Village Leader) in Bionicle: The Legend Reborn, Zilius Zox in Justice League Action, Doctor Nefarious in the Ratchet & Clank series, The Innkeeper, Abbot Song and Emperor Sun Hai in the 2005 video game Jade Empire and Andrew Ryan from BioShock. He also voiced various characters such as Dr. Henry, the Nightmare Alien, Mr. Murphy, The Waiter, A Gopher Person, The Third Zingo, Buttonwillow and Guys 1 and 3 in the Cartoon Network animated series Regular Show. He is sometimes credited as Arman Shimmerman or most notably Armin Shimmerman.