Ralph

"You'd almost think they're trying to...trying to stop us here."
- Jack and Ralph see Riley's Gang, Shadow, and Sassy.

Ralph is one of the tertiary antagonists of ''Homeward Bound II: Lost in San Francisco. ''He and his boss, Jack, drive a "Blood Red Van" that they use to take local dogs to a science lab. Ralph is rarely seen helping Jack catch dogs, and always drives.

Jack
Jack often yells at him for not doing what Jack tells him to.