Here, dear reader, is some information on arguably Galicia's most popular artist - Castelao. If you ever get to Pontevedra (his adoptive city) you should make a point of visiting the floor dedicated to him at the top of the city's rather splendid museum. By which I mean the old one in Plaza de Leña. Not the modern monstrosity, next to the city archives.
And here are 22 examples of modern Galician cartoon humour.
And here's a news announcement about a magazine named after the term for Gallego humour - Retranca
Not many of you, of course, will be fluent in Gallego but some Spanish and/or Portuguese will help. At least for the written stuff.