Tobho Mott is a character in Game of Thrones. He is played by Andrew Wilde and appears in the first season.
Tobho Mott is a master armourer and blacksmith living in the city of King's Landing. Despite being a foreigner, he is well-regarded for the quality of his work and has been patronaged by many knights and even some lords. Mott is assisted by his apprentice smith, a young man named Gendry.
In the books
In the Song of Ice and Fire novels Tobho Mott is a native of the Free City of Qohor who learned to smith there, including the working of the fabled Valyrian steel. He moved to Westeros when younger and has successfully built up his own business thanks to his formidable skills. His armoury is a large building at the top of the Street of Steel, impressive in size and outfittings.