Professor Tippy Tinkletrousers

Professor Pippy p. Poopypants is a Professor who lives and works in New Swissland. Once all the children laughed at his name and had to make a little something to make them stop laughing at his name. He created the Goosy-Grow 4000 and the Shrinky-Pig 2000. He moved to America beacus no one accepted him in his country. All of the Colleges laughed at him. He got a job at Jerome Horwitz Elementary School in Piqua, Ohio as a science teacher, replacing Mr. Fyde. Everybody laughed at his name. He invented to Gerbil Jogger 2000 and showed it to the class. A comic by George Beard and Harold Hutchins made him go crazy.

Using the Goosy-Grow 4000, he makes the Gerbil Jogger 2000 as large as a tall building and then gets inside. He shrinks the school and holds them hostage. He then unveils his plan to force everyone in the world to change their names so everyone will have a silly name instead of a normal one, and anyone who refuses will be shrunk. Professor Poopypants does this first on Mr. Krupp. Mr. Krupp becomes Lumpy Pottybiscuits. All the children find this funny, until Professor Poopypants forces them to use the chart to change their names as well.

George and Harold (now Fluffy and Cheeseball) get Captain Underpants (now Buttercup Chickenfanny, but Captain Underpants refuses to change his name) to steal Professor Poopypants' enlarging machine, but unfortunately he and the machine are shrunk in the process.

The two of them try to enlarge the school back to normal size, but get flicked off the school. Cheeseball makes a paper airplane that Fluffy enlarges. The plane flies into many threats, yet Captain Underpants rescues them and they end up in an abandoned alley. Harold tries to enlarge Captain Underpants (accidently enlarging Cheeseball's right hand) to the size of Professor Poopypants' gerbil machine. Captain Underpants then fights and defeats Professor Poopypants. Once Professor Poopypants is defeated, everyone gets their names back. The boys use the shrinking and enlarging machines to get the school and Captain Underpants back to normal size. Then Captain Underpants gets soaked with water, turning back to Mr. Krupp.

Professor Poopypants is hauled off to jail. On the advice of George and Harold, he changes his name so no one will make fun of it anymore. Sadly, he chooses his grandfather's name (on his mother's side), Tippy Tinkletrousers, which the people at jail make fun of. Later he changed his name to Tippy Tinkletrousers.