Murch is a sea urchin located in Inkopolis Square. His appearance is similar to Spyke from Splatoon with a few exceptions. Murch's spines are on the back of his head and are thicker than Spyke's. He only has one eye in the middle of his head. He is clearly younger than Spyke, but seems to work on equal terms with him as hinted from text from recieving gear. He wears a black and white T-shirt with Inkling writing on it. He wears black pants that are rolled up to appear like shorts. His shoes are blue with high ankles. The soles are thick with a coral colored bottom. He is often seen playing on his green phone.
Murch serves a similar purpose to Spyke from the original Splatoon. He is located on the right side of the online lobby playing on his Squidphone. When you speak to him once you've reached level 4 or higher, he will allow you access to his various services.
Murch allows you to manipulate your gear that you can use in online battles. His primary service is to allow you to order gear that other players in Inkopolis Square are wearing. It will become available the day after it was ordered. Only one piece of gear will be available per day, and if it is not picked up on that day, Murch will get rid of it. Ordering gear from Murch will cost much more than simply buying it in a shop, but it means that it can be much easier to get good gear early in the game.
Murch can also scrub gear. Scrubbing gear will remove all secondary abilities attached to the gear and return it to the player as ability chunks. When the player gets ten ability chunks of the same type, they can use them to attach the corresponding ability to any piece of gear. Scrubbing costs 20,000 cash, or only 2000 for the Splatfest T-shirt.