This guy was pretty good till the tv series ruined him.
Not in the top tier, but a fun villain all the same.
Anywya, I can't possibly categorize a mere top 10, or put them into any sort of real order. But there were a lotta greats.
Chernabog (Fantasia)
Cruella de Vil (One Hundred and One Dalmatians)
Doctor Facilier (The Princess and the Frog)
Frollo (The Hunchback of Notre Dame)
Gaston (Beauty and the Beast)
Hades (Hercules)
Jafar (Aladdin)
Kaa & Shere Khan (The Jungle Book)
Lady Tremaine(Cinderella)
Maleficent (Sleeping Beauty)
Percival McLeach (The Rescuers Down Under)
Pete (Mickey & Co.)
Prince John & Sir Hiss (Robin Hood)
Queen (Snow White and the Seven Dwarfs)
Professor Ratigan (The Great Mouse Detective)
Scar (The Lion King)
Shan Yu (Mulan)
Stromboli (Pinocchio)
Ursula (The Little Mermaid)
Yzma (Emporer's New Groove)