Teddy Squareroot Ortiz is Nate's number #1A (A for awesome) friend. Teddy is also friends with Francis and Artur. He is mainly the tritagonist of Lincoln Peirce's Big Nate book series and comic strip. Teddy is most commonly seen with a red shirt with a black circle in the middle, with green gridded pants. Teddy is the keyboardist and lyricist of Nate's garage band Enslave the Mollusk (ETM). He plays Basketball, Soccer and Little League Baseball with Nate and Francis, in which they lose most of the time, except when they beat Jefferson in Big Nate "Here Goes Nothing".