Okay, here's the third of my attempts to infuriate your brains.
Last time it took the combined efforts of the board well over a day to polish off all the clues, and I think I've made this one even harder.
Some are easy, some could be considered terribly obscure.
As ever, all the answers are the names of comedy people, shows, concepts, in-jokes, trivia... anything to do with comedy.
As ever, apologies for the lame auto-generated grid and any mistakes in the clues (not usually any, but you never know)
ACROSS
3 Tired repeat, pining or resting. (4, 6)
4 Comedy word for Johnson isn't in the comedy Johnson dictionary. (7)
7 Stimpy's mate to graffiti MC where spirits could be temporarily obtained. (10)
11 Melanomas f**ked up a pitcher in a bar. (3, 6)
13 It's only sixty seconds on the radio. (4, 1, 6)
14 ITV's greatest success, becoming erect, moist, drains gimp in confusion. (6, 4)
15 Sitcom set in the Cretaceous? (5)
18 Indian storm sounds spicey, sweetie. (7, 7)
19 The third Ronnie? He was wry, I alleged, wrongly. (6, 5)
20 Slag, German, slag! A popular response on holiday in the Eighties. (2-2-2)
DOWN
1 Alan's motor, former American takes left at first. (5)
2 Invoice a mint? Buster. (4, 6)
5 Rookie section, Linda McCartney maybe, speeds up and slows down for no f**king reason I could ever figure out. (5, 4)
6 Apostle composer dude, working on the sound and the look. (5, 7)
8 The Actor, setter's the Spanish crime boss. (5, 5)
9 Fresh, originally, like a fish you throw back. (3, 3, 4)
10 Scotch cap infected with mutated virus. So easy to join! (8)
12 The crucial element in a pubic bulge after a meal, surely the end of Nigel's career. (5, 7)
16 Hull's given in wages is taking the piss. (6)
17 Housemate makes a mediocre sketch show. (7)
SPOILERS WILL INEVITABLY FOLLOW
I'm keeping track of which answers have been correctly worked out on page three of this thread.