From A Wiki of Ice and Fire
Galeo is a sausage-maker from Braavos. He is one of the Gate regulars.  It is said that the only meat he puts in his sausages is rat. He wears a greasy leather apron.
The Winds of Winter
Prior to the performance of The Bloody Hand Daena recognises some of the Gate regulars in the crowd and points them out for Mercy, including Galeo.
References and Notes