I'm thinking either Toy Pinscher or Toy TerrierQuote:
Originally Posted by markabilly
they are a dog breed
they have hair not fur
I dont know if they were called tiny monsters but they were known for their aggression though now they say that through selective breeding they now made them less aggressive.
Since you say donkey jote is close, I will say Pinscher that is from Germany rather than Terrier that is from England.