[Author's Note] I know, I know, lists are illegal. Well, that never stopped Fred or George and it's certainly not going to stop me -- until, of course, the deadline when it all gets washed away. In the meantime, here are the Gryffindor jokes. Enjoy them while you can.
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How many Gryffindors does it take to light up a wand?
~ One, but first he has to kill the basilisk, clear his godfather's name, defeat the Dark Lord, and win every Quidditch game. [by Kelso44]

How many Godric Gryffindors does it take to light a wand?
~ Two: one to light the wand and one to flick off Salazar. [by Kelso44]

how many gryffindors does it take to light up a wand?
~why light up a wand when u could ask ron to use his flying car? those headlights work better then that spell anywayz [by selena]

how many gryffindors does it take to light up a wand?
~just one who has a crush on a certain other gryffindor *gets whacked in the head by an extremely huge book*
"I DO NOT LIKE RON!!!" rubbing spot where book hit head.
"I NEVER SAID U DID HERMIONE!!!"
bushy haired girl shuts up n hides behind even larger book turning red [by selena]

How many Gryffindors does it take to light a wand?
~Eleven: two to engineer the escape plan, four to accompany Harry out to the Forbidden Forest, Hermione to complain that they're breaking the rules, George and Fred to shut Hermione up, Harry to light the wand, and Colin Creevey to go tell Rita Skeeter that Harry Potter just lit up his wand. [by Ildetia]

How many Gryffindors does it take to light a wand?
~One, although any student can do it, but Gryffindors will be the only one doing it you'll read about.[by Ges]

How many Gryffindor's does it take to light a wand?
~None. All the wands in Gryffindor Tower keep turning into rubber chickens. (Weasleys' Wizard Wheezes at Work again!) [by Eigwayne]

[Lots from Crystal Tiara17]
How many Gryffindors does it take to light up a wand?
~Five. One brave enough to admit he lit it up, one to screw it up, two to help each other, and one to cover up for all of them.

~Two. One to do it and one to laugh while Draco Malfoy or a Slytherin gloats.

~One, who has to take the risk of being discovered by Snape, a Slytherin, McGonagall, Filch, or Mrs. Norris.

~All of them, to help each other in times of need.

~Eight. One to do it, one to check if it is done right, two to make sure it doesn't screw up or go haywire and to help if ever it screws up, one to act as guard if someone's coming, one to do the explaining in case they are caught, one to say, "Why don't we use Lumos instead?", and one to take pictures while at the same time bugging Harry Potter by saying, "All right, Harry?".

How many Gryffindors does it take to light up a wand?
~One; Hermione won't let anyone else try it and thus look smarter than she. [by Lilly Beth]

How many Gryffindor's does it take to light a wand?
~One, but when it goes out the whole house starts sobbing and muttering incoherently about how it was so brave and didn't deserve to go out this way. [by burnin_rims]

(Continuation of previous joke.)
What happens when the light comes back?
Fudge: I refuse to accept it. [by burnin_rims]

How many Gryffindors does it take to light up a wand?
~You mean they can think of something other than Quidditch? [Ariana Deralte]