1- 17. Plates are flame, toxic, zap, Stone, spooky, splash, Sky, mind, meadow, insect, iron, icicle, fist, dread, Draco, earth
2-(not including the opening of the movies) Mew vs Mewtwo/Mewtwo Strikes Back and Mewtwo Returns
3-Mew vs Mewtwo/Mewtwo Strikes Back, Pokemon 2000, Master of the Unknown(not positive about title), Pokemon 4-ever, Pokemon Heros, Mewtwo Returns, Jarchi Wishmaker, Destiny Deoxys, Temple of the Sea, Lucario and the Mystery of Mew, The Rise of Darkrai, Garitina and the Sky Warrior, Arceus and the Jewel of Life, Zoroark Master of Illusions, and the Two newest ones, White; Zekrom and Victini AND Black; Reshiram and Victini
4- Mew, Mewtwo, Zapdos, Moltras, Articuno, Lugia, Ho-Oh, Celabi, Entie, Raiku, Suicune, Jirachi, Groundon, Kyrogre, Latias, Latios,Deoxys, Rayquaza,Manaphy, Rotom, Phione,Palkia, Dialga, Garitina, Saymin, Heatran, Regigigos, Regice, Regirock, Registeel, Mesprit, Uxie, Azelf, Arceus, Victini, Zekrom, Reshiram, Kyrem, Cobalion, Terrakion, Virizion, Thunderus, Tornadus, Landarus, Keldeo, Meloetta, and for the people who still believe this; Darkrai is NOT a legendary Pokemon.
Rotom- heat, frost, Fan, mow, and oringal
Garitina- Origin, Another forme
Saymin- land, sky
Arceus- (too many to name)
Meloetta- Aria, Pirouette, Radiance, Classuc
Deoxys- speed, fight, defense, normal
I'd give this 100% in denfinant effort.