Mr. Blumberg is Mikey's father who appears in Parents' Night, Dance Lessons and Bonky Fever.
He is married to Mrs. Blumberg.
Mother: Mrs Blumberg
Son: Mikey Blumberg
Brother or Brother-in-Law: Mary
Friends: Miss Finster, Principal Prickly, Miss Grotke, Miss Lemon, TJ Detweiler, Vince LaSSao, Ashley Spinelli, Gretchen Grundler, Mikey Blumberg, Gus Griswald, Randall Weems and Menlo
Enemies: Earwin Lawson, Gelman, Conrad Mundy, Greg Skeens, Sue Bob Murphy, Lazy Kid, Chucko Kowalski, Jocko, Buster, Cheay, Koreo and Kurst the Worst
Likes: Helping his son and punishing troublemakers
Dislikes: Troublemakers, his son in trouble and troublemakers upsetting Mikey