Colin Haggart is one of the two quarreling sons of Lachlan Haggart. Colin is a young Caucasian male, with blond hair. He is a little shorter and less muscular than his brother, Angus Haggart.
Scooby-Doo! and the Loch Ness Monster
He and his brother were hired by Prof. Fiona Pembrooke to run the land-going version of the Loch Ness Monster, to convince Sir Ian Locksley that Nessie was real so he would take her photos seriously. They did it more as a prank than for the money