Bob the Builder is the main protagonist, titular character and a General Contractor with being head of his own construction yard based in Bobsville, Sunflower Valley or Fixham Harbour depending on the series.
Bob is from a family of builders - his father Robert is also a builder and so was his Grandfather Billy. He is assisted by Wendy and a host of five anthropomorphic vehicles in various projects in and around town. In the early episodes he was not good with computers but in newer episodes he used them for construction work designing. Some of the problems in the show arise from Bob's habit of forgetting to turn his mobile phone on. He also is the owner of Pilchard the Cat.
Bob is a very passionate man who always shows determination to get the job done and to encourage everyone else. He is also a fun-loving person in general and very smart. During a crisis/problem he isn't one to lose focus and often comes up with ideas on how to fix things.
He acts as a parental figure to his machine team and makes sure to keep them in line. While he is honest about things, like feelings or when someone messes up. Bob isn't at all mean or strict. He doesn't get upset when someone makes an accident, but he will be sure to tell them where they messed up.
He also seems to have a soft spot for Wendy.
He's very close to his twin brother Tom, and they've been close since they were kids.
Bob is a tan-fair skinned male with small black eyes and a medium sized nose. He is often seen smiling! As he is a builder, he is often shown to be wearing his building clothing. Consisting of a red and orange patch shirt, faded blue overalls, brown shoes, and a yellow construction workers hat. Around his waist, Bob also has his tan colored tool-belt.
When his hat is removed, he is revealed to have brown hair. his hair is longer when he was younger.
From Season 1 to Season 3, Bob wore a tape measure on the back of his tool belt.
In a production wrap party poster from 1999, it shows that Bob's hardhat is able to swivel on top of his head.
(Another thing worth noting is that this is possibly the first public appearance of Bob before S1 aired in the UK. Another is that this is the first "crude" showing of Bob (he is seen having a cigarette in his mouth and lying on the floor behind a wall (possibly Bob's Yard) next to Farmer Pickles who is either vomiting or urinating, there are also 4 glass bottles in front of them.)