What instrument does Link famously play in 'Majora’s Mask'?

Ocarina

What's the name of the enthusiastic dog in Disney Pixar's film "Up"? What type of creature might one traditionally encounter during Halloween festivities, known for wrapping victims? How many dots are there in total on a standard die? What Viking-theme board game involves battling sea serpents and mythological monsters while sailing ships to Valhalla? Who developed the Roman professional army reforms around 107 BCE?