(The English.) Roger Crab. He subsisted at the expense of three farthings a week, or 3s. 3d. per annum. His food consisted of bran, herbs, roots, dock-leaves, mallows, and grass. Crab died in 1680.
Peter the Hermit. Preacher of the first crusade. (1050-1115.)
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894