Frogman Tim Cotterill Frogs are full of life and personality. Artifacts Gallery is the world's largest dealer of Frogman, Tim Cotterill art. We always have a great selection of Tim Cotterill frogs--all the new releases, rare, hard-to-find frogs, gecko and koi. Scroll down to see the complete collection of the Frogman, Tim Cotterill fine bronze frogs.