The Martin Brothers were known for their imagery of leering, cringing, and inquisitive birds, smiling people, and creepy goblins. Their grotesque asymmetrical decor might include fish, owls, frogs, armadillos, salamanders, or mythical beasts in mottled and muted glazes. Other top British Art Nouveau potters come with
Charles H. Brannan and William de Morgan. In america, Rookwood, one of the biggest ceramics
manufacturers in the nation, didn't include the handcrafted philosophy of the Art Nouveau stream, but it was eager to adapt the commonplace aesthetic. The agency hired top technicians to come up with innovative glaze recipes and decorative suggestions.