Dedicated and hardworking, Bob is the resident builder for Fixham and Spring City. There is no build too big or too small for Bob and his enthusiastic team, who will always jump to assist their community in every way they can. Bob's optimistic attitude always shines through, especially when reassuring his team with his empowering catchphrase: "Can we build it? Yes we can!"
Wendy is Bob's smart and dynamic building partner. Her specialty is electronics, and she's always coming to the rescue when there's electrical work to be done. With a quick wit and an eye for spotting a problem, Wendy is on hand to point the team in the right direction.
Leo is Bob and Wendy's good-hearted apprentice who is eager to learn the tools of the trade. Easily distracted, Leo can sometimes cause the best plans to come clattering down all around him. But when he learns to slow down and concentrate, Leo shows everyone his potential to become a great builder.
Lofty is a shy and slightly nervous mobile crane with a vivid imagination. He tends to question some of the team's more extravagant ideas, but has a keen eye for building and often finds solutions to problems.
Scoop is Bob's best friend and the unofficial team leader of the Machines. He is a bright yellow digger with a sunny and overly enthusiastic attitude to match! He is keen to be the best at everything and full of ideas; however, his schemes often cause confusion for Bob and the team. But with a little help, Scoop can always find a way to dig himself out.
Muck is a dump truck who wants to make everyone happy. He might not be the sharpest tool in the box, but he's enthusiastic about everything—especially building! True to his name, Muck loves to get mucky, so whether he's digging or dumping, if there's mud around, Muck will be there!
Despite his name, Tiny is a tall tower crane who stands high above Spring City and can lift even the bulkiest of building materials into place using his "Tower Power." He is a gentle giant, always concerned about the rest of the team, and on the lookout to make sure he doesn't place a load on top of them!
Two-Tonne is a big, powerful cab unit who likes to get things just right. A very adaptable heavy goods vehicle, he can haul hefty materials and equipment on many types of trailers. Two-Tonne’s experience is loads of help to Bob and his team.
Roley is a fussy and fastidious steamroller with a bit of an obsessive nature. His determination for perfection can sometimes delay a build, but with Roley's passion for rolling, Bob knows he will always have a perfectly smooth road.
Dizzy is a smart, witty, and eager cement mixer. She can be a bit of a know-it-all, spinning her mouth as fast as her mixer. This sometimes leads to mixups, but her energy and enthusiasm cement her as an integral part of the team.
Maria Madison is the mayor of Spring City and its surrounding area. Smart and dynamic, she is constantly on the lookout for innovative ideas to improve her city. Always in a hurry, Mayor Madison wants every building project done by yesterday!
Mr. Bentley is Mayor Madison's right-hand man. He is keen to make sure everything is just right for the mayor, but can bumble about trying to keep up with her, causing him to worry excessively. He has a penchant for the dramatic and can't resist any opportunity to perform.
A local celebrity, Chef Seymour Tattie owns a restaurant in Fixham and a café in Spring City. Chef Tattie's eccentricity and energy spice up everything he touches. He always has plenty of work for Team Bob and loves to share his cooking creations with the team whenever he gets the chance.
Curtis is Leo's dad and the owner of the local service station. A reliable mechanic, he will often check on Bob's vehicles or lend a helping hand in any emergency. With his wry sense of humor, Curtis ensures that Fixham and Spring City run smoothly.