Hideous!

The name of this movie is Hideous! released in 1997-08-26 and it's main theme is Dr. Lorca, an eccentric collector of biological oddities - has just acquired his greatest specimen: a horrible mutant born of toxic sewage, but the creature's rightful owner wants it back. The collector's clash is cut short though, as the sickening specimen comes to life, re-animating an angry, oozing little army of ferocious freaks.