Rob Rackstraw
Robert "Rob" Rackstraw (born 31 October 1965 in Sunderland) is a British voice actor. He is perhaps best known for his various voices in the television series Bob the Builder, mainly the scarecrow Spud. He has an extensive voice over career over 15 years long and is considered to be one of the UK's leading male voice actors. He also played the main villain Pew in The Legends of Treasure Island, and Captain Campion in Watership Down. He also wrote episodes of Avenger Penguins and Fantomcat. Description above from the Wikipedia article Rob Rackstraw, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for
Here We Are: Notes for Living on Planet Earth 
Thomas & Friends: Sodor's Legend of the Lost Treasure 
Thomas & Friends: Journey Beyond Sodor 
Octonauts and the Caves of Sac Actun 
Octonauts: The Ring of Fire 
Bob the Builder: A Christmas to Remember 
Bob the Builder: The Knights of Fix-A-Lot 
Bob the Builder: Big Dino Dig 
Bob the Builder: Built to Be Wild 
Bob the Builder: Race to the Finish Movie 
Bob the Builder: Scrambler to the Rescue 
Bob the Builder on Site: Houses & Playgrounds