Hexxus is the main antagonist of 20th Century Fox's 1992 animated fantasy feature film FernGully: The Last Rainforest, which is based on the book of the same name by Diana Young.
Being a malevolent spirit of destruction and pollution, his sole desire was to destroy FernGully and spread absolute destruction across the world. He is also the arch-nemesis of Magi Lune and her student Crysta as well.
He was voiced by Tim Curry, who also portrayed Frank-N-Furter in The Rocky Horror Picture Show, Lord of Darkness in Legend, Wadsworth in Clue, Pennywise in the It television miniseries, Long John Silver in Muppet Treasure Island, Thaddeus E. Klang in TaleSpin, Taurus Bulba in Darkwing Duck, Slagar the Cruel in Redwall, Professor Calamitous in The Adventures of Jimmy Neutron: Boy Genius, Rooster St. Regis in Annie, Skullmaster in Mighty Max, Mouse King in Barbie in The Nutcracker, Big Brother in Johnny Bravo, King Chicken in Duckman, Billy Flynn in Criminal Minds, Dr. Neugog in Big Guy and Rusty the Boy Robot, Kilokahn in Super Human Samurai Syber-Squad, Lloyd Wexler and Worthington Dubois in Phineas and Ferb, Trymon in Terry Pratchett's The Color of Magic, The Cat King in The Cat Returns, El Maléfico in ¡Mucha Lucha!: The Return of El Maléfico, Kileem, Caliph Kapok, and Amok Mon Ra in the animated series Aladdin, Fox Jacket in Dinosaurs, Philippe in Barbie and The Three Musketeers and Emperor Palpatine in Star Wars: The Clone Wars.