Wendy ? Bob's business partner who runs the office and keeps the business in order, and often organizes tools and equipment. She is also seen doing construction work in many episodes. An underlying romantic tension between Bob and Wendy is hinted at in several episodes.

Farmer Pickles ? a nearby farmer who sometimes helps out with Bob's projects.

Spud ? a mischievous scarecrow (male voice; catchphrase: "OK, Farmer Pickles" & "Spud's on the job!").

Recurring characters

Mr Beasley - A Bobsville resident and a frequent customer.

Mr Bernard Bentley ? the building inspector and later Mayor of Bobsville.

Mrs Barbara Bentley ? his wife

Mr Dixon ? postman and brother to a famous football goalkeeper.

Mr Ellis ? museum manager

JJ ? Parts supplier

Molly ? JJ's daughter

Mrs Percival ? school headmaster

Mrs Potts - A Bobsville resident and owner of Tommy the Tortoise.

Mr Sabatini ? runs the local pizza shop

Minor characters

Mr Costello ? Drive-in movie manager

Dora ? Bob's aunt

Dorothy ? Bob's Mom

Mr Fothergill - a Bobsville resident and Hamish's first owner

Jenny ? Wendy's sister

Mavis ? postwoman

Pam

Robert ? Bob's Dad

Mrs Sabatini

Mr Stevens ? an archaeologist

Tom ? Bob's fraternal twin brother

Mr Williams ? an airport manager

Vehicles

Scoop ? is a yellow backhoe loader and the unofficial leader of all the machines (male voice; catchphrase: "No prob, Bob!"). At some points there is hinted romance between him and Dizzy.

Muck ? is a red bulldozer with additional dumping bed who acts before he thinks and often gets in trouble for it, but finds his way back (male voice; female voice in US dub; catchphrase: "Muck to the rescue!").

Dizzy ? is an orange concrete mixer and one of the youngest in the yard. She is eager, curious, and easily excitable (female voice; catchphrase: "Brilliant!"). Dizzy sometimes appears to have a crush on Scoop.

Roley ? is a green steamroller, rounds out the "Can-Do Crew" (male voice in UK dub; female voice in US; catchphrase: "Rock and roll!").

Lofty ? is a blue crane who isn't very confident; he in UK; she is hesitant and timid, but with the encouragement of the team comes through in the end (male voice in UK dub; female voice in US;
catchphrase: "Uh ... yeah, I think so!", usually said in response to the question "Can we fix it?"

Benny ? is a darkish red excavator (female voice; catchphrase: "Unreal, banana peel!")

Scrambler ? is darkish blue quadbike (ATV) (male voice; catchphrases: "Let's Scram!", "Awesome!" and "Cool as a Mule")

Sumsy ? is a maroon & yellow striped forklift, owned by Farmer Pickles (female voice; catchphrase: "I can pack 'em, I can stack 'em!")

Packer ? is a red semi-trailer truck, owned by Farmer Pickles. It has two trailers, a flatbed trailer and a covered trailer. (male voice; catchphrases: "Pick up and Deliver!" and "Pack me up and watch me go-go").

Dodger ? is a lightish blue pickup truck, owned by Meg and carries milk. He has a crane with a grabber that lifts the milk. His horn makes honking sounds. (male voice; catchphrase: "Dodger Delivers").

Tumbler ? is a green, yellow, and nice concrete transport truck. (male voice; catchphrase: "I'm a Rumblin' and a Tumblin'")

Flex ? is a yellow cherry picker. (male voice; catchphrase: "Fantastic Flex!")

Bristle - is a grey and blue street sweeper.{male voice; catchprase: "Clean as a whistle" or "Clean as a whistle bristle, that's me!}

Splasher - is a yellow & blue water vehicle, who works at Bobland Bay (male voice; catchphrase: "Never fear, Super Splasher is here!")

Travis ? is Farmer Pickles' cyan tractor. He helps out the crew when they need it and keeps an eye on Spud the scarecrow.

Skip ? is a yellow skip-carrier (male voice)

Trix ? is a purple forklift; belongs to J.J. (female voice; catchphrase: "Easy peasy!")

Scoot ? is a black & yellow snowmobile, owned by Tom (male voice)

Zoomer ? is a purple, Bobsville snowmobile (male voice; seen in 'Snowed Under')

RV ? is a light blue crane machine belonging to Bob's Dad. (male voice; catchphrase: "Amazing RV, that's me!").

Jackaroo ? is a blue pickup truck. He is owned in the Wild West by a female cowboy.

Animals

Bird ? is a bird, Roley's best friend

Fin - Bob's pet fish.

Hamish ? became JJ and Molly's parrot after Mr. Fothergill found out he was allergic to him.

Humpty ? is a prize pig, owned by Farmer Pickles.

Pilchard ? Bob's pet cat and considered a part of the team. However, she's often sleeping when she's needed.

Scruffty ? a dog, owned by Farmer Pickles.

Squawk ? Another bird, friend of Bird

Tommy ? Mrs. Potts' turtle