Nigel Ratburn

Nigel Ratburn is a fictional character and the main third-grade teacher at Lakewood Elementary School. He tends to give out a lot of homework to the kids in his class, sometimes assigning two research projects in the same week. Because of these tendencies, he is often considered the strictest teacher at Lakewood Elementary School. He has appeared since the 1st Season.

Appearance
Mr. Ratburn's appearance consists of a green suit complete with a solid white shirt and bright red necktie. Being a rat, he has long whiskers, which he appears to keep trimmed.

Trivia

 * Mr. Ratburn was at some point taught by Mr. Price Jones, later a rival of Ratburn's at the Medieval Fair. Ratburn was heavily influenced by Mr. Jones, remarking that sometimes he thinks, "..I'm not a tough enough teacher."
 * In the episode "Dad's Dessert Dilemma", Mr. Ratburn is shown to have an unnatural love for cake, to the point of snatching a plate of cake from a child before he has a chance to eat any of it. He used the excuse "I came by to bring you the spring reading list" three times, each time feigning surprise and exclaiming, "Oh, are you having cake?!"
 * Outside of school, Ratburn is shown to enjoy many jovial pursuits, such as magic, puppeteering, and camping.