Doris is the Bowler Hat Guy’s fashionable headwear and evil partner-in-crime. Unlike her dastardly cohort, Doris really is smart and cunning. She also has a multitude of gadgets at her disposal to carry out her evil schemes. She has a diabolical plan for the future and she will stop at nothing to extract her revenge on Lewis.

Franny is Wilbur’s effervescent mother who has discovered a way to teach frogs how to sing and play big band music.

Dr. Krunklehorn is an inventor from Inventco Labs and one of the judges at Lewis’ school science fair. Her latest invention is the caffeine patch, which is like drinking twelve cups of coffee at once. She hasn’t slept in days.

Buster is the family’s pet dog who wears glasses because his insurance won’t pay for contacts.

Carl is the suave Robinson family robot, serving the family’s every need with wit and charm. In addition, he has the unfortunate job of constantly getting Wilbur out of trouble. Carl also has a way with the ladies, and by ladies, we mean the dishwasher, the coffee maker, and the teapot.

Bowler Hat Guy is shrouded in black and fancies himself a cunning and intimidating villain, unaware of how bumbling he really is. His evilness is deeply rooted in a childhood mishap that has sent him on a life-long quest to regain the respect that has eluded him for so long. When he teams up with Doris, a robotic bowler hat, he becomes a threat to the future that only Lewis and Wilbur can stop.

Grandpa Bud may seem weird to the outside world but inside the Robinson house, he just views life a little differently … and likes to wear his clothes backwards while constantly searching for his teeth.

Frankie the Frog (pictured center) is the orchestra leader of Franny Robinson’s all-frog swing band. As “the don” of the frog gang, Frankie is the coolest in this amphibious mafia-esque gang.