“The term soccer comes from Oxford “-er” slang, which was prevalent at the University of Oxford in England from about 1875, and is thought to have been borrowed from the slang of Rugby School. Initially spelt assoccer (a shortening of “association”), it was later reduced to the modern spelling."
Hartlepool being Andy’s home town. From the web: “Reg Smythe the cartoonist, lived in Hartlepool and the Andy Capp cartoon is set there, sometimes local landmarks are featured in the cartoons.”
Edmonton, isn’t it? Whether that has been explicitly stated in the strip or not I don’t know, but the first comic featuring the character of Betty started in the Edmonton Journal (at that time, the comic was known as Bob Slug). But perhaps you already knew that and were making a wee joke?
His inner dog is a recurring character that shows up maybe once or twice a year. You’re new to the strip?