another, smaller sword, but she rarely uses it. It is probably a wakizashi to complete a samurai's daisho, which consists of the two aforementioned swords. She is first mentioned in the episode "The Crimson Binome", which hints at an untold encounter between Mouse and the pirate crew of the Saucy Mare; Bob, imprisoned in the ship's brig, finds Mouse's calling card (a stylized drawing of a mouse) on the wall, a clue to an avenue of escape. She first appears on-screen in "The Great Brain Robbery", hired as a mercenary by Megabyte (during the episode, she calls him "big guy" and "Megababe"); she turned against him when it became obvious she had been double-crossed and was endangering a young child. She later returned in Season 2 to save Bob and Dot from Gigabyte and ended up as part of the main cast from then on. She had been hired by the Guardians to discover if there was a Web Creature in Mainframe; during the subsequent Web War and then the Viral Wars, Mouse's hacking skills became a major asset in thwarting Mainframe's enemies, including developing a Firewall so complex that Daemon could not get through it, and was blocked from multiple Systems. Due to her invaluable assistance, Mouse is allowed to upgrade her icon (and AndrAIa's as well) to a full Mainframe icon which, among other things, created a backup of her that allowed her to be restored along with the native Mainframers after the system crashed ("End Prog"). Mouse's canines are developed into what looks like fangs, as specified in the episode "Trust No One"; she is capable of snarling in a very animal-like way, displaying these canines as a threat posture. In "The Great Brain Robbery", she growls in a feral fashion at Megabyte when he tells her that he "doublecrosses whomever he pleases". She becomes a dear friend to Dot as one whom Dot can confide into and lean on when no one else is around; during Dot's wedding, Mouse was her Sprite of Honor. At some point between the episodes "End Prog" and "Daemon Rising", Mouse begins dating Ray Tracer. In the current webcomic, Mouse and Ray were both apparently killed in the same battle that claimed the life of Turbo. However, when Gnosis restored the net it is likely that they were both restored, as well. Her name is a reference to the computer mouse.