More Cats and Dogs

There are four people named John, Jack, Joe, and Robert. Their last names are: Lee, Ferrio, Spret, and Keller. They each have a cat and a dog. The four people don't know each other but, coincidently, the cats and dogs have the same names: Spot, Tiger, Dixie, and Jumper.
Note: No person has a cat and dog of the same name.

First Names: John, Jack, Joe, and Robert
Last Names: Lee, Ferrio, Spret, Keller
Dogs: Spot, Tiger, Dixie, and Jumper
Cats: Spot, Tiger, Dixie, and Jumper

1. John's dog and Mr. Keller's cat have the same name.
2. The first and last names of the person who owns Tiger the cat have the same amount of letters.
3. Mr. Lee's dog Jumper scared the heck out of Jack's cat Spot when Jack was moving into the apartment next to Mr. Lee's, but they hadn't met yet.
4. Mr. Spret's dog and Mr. Ferrio's cat have the same name.
5. Robert's pets are named Dixie and Jumper who love to play with each other.
6. Robert's last name is Spret.