Teeter is black and rust tweed merle registered: AHMPC (American Harlequin Miniature Pinscherl Club), she stands appx 14" tall and is an absolute sweetheart!
Hopper is black and rust registered with AKC (American Kennel Club), he stands appx 12" tall and is all min pin! 

Registration:
AHMPC (American Harlequin Miniature Pinscher Club)

Possible Colors: Merle pattern is possible with the colors listed below
Chocolate / Tan or Rust
Black / Tan or Rust
Blue / Tan or Rust
Fawn
Red