Mr. Bernard Bentley is the Bobsville town's Building Inspector and later Mayor of Sunflower Valley and later Fixham Harbour's building inspector.
He often works closely with
Bob and his crew as he supervises the safety of his products. Bernard is a stickler for details and organization and is rarely found with out his checklists and clipboard. He also is the husband of Barbara Bentley.
He takes on the personality of a building inspector.
- Season 3 Bob's Day Off ( mentioned), Magnetic Lofty ( debut), Special Delivery Spud ( cameo), Scoop's In Charge and Spud and Squawk
- Season 4 Bob and the Bandstand, Bob on the Run, Scruffty The Detective and Watercolor Wendy
- Season 5 Inspector Spud, Wendy's Surprise Party, Skateboard Spud, Bob and the Big Freeze ( mentioned) and Bob of the North
- Season 6 Bob's Pizza, Wendy's Removal Service, Bob's Egg and Spoon Race, Mr. Sabatini's Smashing Day and Spud the Musketeer
- Season 7 Mr. Ellis' Art Exhibition, Pilchard's Pets, Snowman Scoop and Lofty's Long Load
- Season 8 Mr. Bentley's Trains, Racing Muck, Ballroom Bob, Molly's Fashion Show ( cameo) and Mr. Bentley: Dog Sitter
- Season 9 Mr. Bentley's Winter Fair, Spud's Statue, Where's Muck?, Muck's Surprise, Trix and the Bug and Scoop the Disco Digger ( mentioned)
In the Original Series between Seasons 3-9, he spoke with an American accent in the US dub.
In the Finnish version of the Original Series, he was called " Herra Pultti" (Mr. Pultti), but Project: Build-It onwards. he's called "Tarkastaja Pultti" (Controller Pultti)