Pokebattles is a major affectional parody site. It parodies Pokémon, with a battle system identical to Pokémon Red. They always say "used" before attacks and multiple actions. They parody multiple other things including Star Wars; Luke is a character. Doompuff, the evil rabid Jigglypuff of doom, is The Juggernaut. A link to Red Version is .
The LOLCat Bible Translation Project. It's exactly what it sounds like. Some parts are more affectionate than others, depending on the "translator", but it's generally good-spirited, often hilarious, and occasionally surprisingly well-thought-out (see the lolcat "A Mighty Fortress Is Our God").
Some if these you actually have to be fairly familiar with the writings yourself to even get. For example, in the intro Isildur's death is blamed on the ring's treachery, which causes Mike to remark that being a bloodthirsty tyrant may have had something to do with it.
Kung Fury is a only a trailer as of January 2014, but is a Kickstarter project meant to turn it into a full film. It's a love note to 80s action films, but so much more! It has...well, just watch the trailer for yourself.