More on Guthlac from Infoplease:

• Guthlac - Guthlac (St.), of Crowland, Lincolnshire, is represented in Christian art as a hermit punishing ...
• Goodluck's Close - Goodluck's Close (Norfolk). A corruption of Guthlac's Close, so called from a chapel ...
• Dictionary of Phrase and Fable: G - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "G"