The various nicknames of APH England:

Arthur: Human name that most close people call him

Iggy: America's (and sometimes Japan's) personal nickname for him. America because he likes annoying the heck out of him and Japan... Well, how else did America learn this nickname?

Artie: America's (and Sealand's) nickname for him when the feel a bit nicer.

Art: England's nickname first used by his brothers. Romania also uses this.

Angleterre: France's personal nickname, used since the dawn of time.

Eyebrows: The nickname used whenever someone just wants to insult him or when they don't know what else to call England.

High Captain of the Seas: His pirate name back in the day. Sometimes the ones who know about it (France, Spain, Austria, etc.) call him this to embarrass him.