If you'll forgive a slight correction, Jerry, Flastaff and Quickly appear in Henry V,during which Quickly dies of VD ('the French malady') while Tearsheet is only mentioned in passing as being in the hospital, but all 3 characters actually appear in Henry IV part 2:
Sir John Falstaff - Usually called Falstaff but sometimes called Jack. A fat, cheerful, witty, aging criminal, he has long been Prince Hal's mentor and close friend. He pretended to have killed Hotspur at the Battle of Shrewsbury, and Prince Hal--the actual killer--agreed to go along with the lie. For this reason, everyone gives Falstaff much more respect than he deserves.
Mistress Quickly (the Hostess) - Proprietor of the seedy Boar's Head Tavern in Eastcheap, London. She has a dim wit but a good heart.
Doll Tearsheet - Falstaff's favorite prostitute and a good friend of Mistress Quickly. She has a bottomless repertoire of insults and seems to be both fiercer and smarter than most of the law officers hanging around Eastcheap. She may be in love with Falstaff.
Yours in pedantry,