Phil Gaffney is a long-term substitute teacher at P.S. 38.
Biography
Not much is known about Gaffney except that he was a long-term-sub teacher for Clara Lessard-Godfrey when she went on sabbatical for five months. Nate once mentioned that he was him working at Orange Julius
After Nate Wright and Teddy Ortiz enter the classroom after Labor Day, Mr. Gaffeny reveals himself to be a long-term substitute for Mrs. Godfrey, who is going on sabbatical. Eventually, Nate crafts a nickname for him.