Top 10 Female characters

01.The White Witch (Tilda Swinton, The Chronicles of Narnia: The Lion, The Witch and The Wardrobe)
02.Irina Spalko (Cate Blanchett, Indiana Jones and the Kingdom of the Crystal Skull)
03.Trixie (Christina Ricci, Speed Racer)
04.Marion Ravenwood (Karen Allen, Indiana Jones and the Raiders of the Lost Ark/Kingdom of the Crystal Skull)
05.Mrs Marisa Coulter (Nicole Kidaman, The Golden Compass)
06.Bellatrix LeStrange (Helena Bonham Carter, Harry Potter and the Order of the Phoenix)
07.O-Ren Ishii (Lucy Liu, Kill Bill)
08.Niobe (Jada Pinkett Smith, The Matrix Reloaded)
09.Pepper Potts (Gwyneth Paltrow, Ironman)
10.Mrs Jane Smith (Angelina Jolie, Mr & Mrs Smith)

Top 10 Male characters

01.Lord Voldemort (Ralph Fiennes, Harry Potter and the Goblet of Fire/Order of the Phoenix)
02.Speed Racer (Emile Hirsch, Speed Racer)
03.The Joker (Heath Ledger, The Dark Knight)
04.Count Olaf (Jim Carrey, The Series of Unfortunate Events)
05.V (Hugo Weaving, V for Vendetta)
06.Jack Sparrow (Johnny Depp, The Pirates of the Caribbean Trilogy)
07.General Grievous (Matthew Wood, Star Wars: Revenge of the Sith)
08.Short Round (Jonathan Ke Quan, Indiana Jones and the Temple of Doom)
09.Starscream (Charles Adler, Transformers)
10.Rob Hawkins (Michael Stahl-David, Cloverfield)

Serene and I were suppose to make this list. The results were tabulated after much contemplation and research. It's my list. It'll keep changing, but for now this is it.