Captain Nemouse is a pirate and vessel commander in Transformice. He navigates the pineapple boat utilized in Pirate 2016. Captain Nemouse is based off Captain Nemo, a fictional French pirate from the novel Twenty Thousand Leagues Under the Sea.

He is a prominent character in the lore for fishing events, specifically surrounding boat maps. There is even a « Captain Nemouse »(341) title first introduced alongside the Fishing 2014 event.