He has been trained in detecting narcotics, such as methamphetamine, cocaine, heroin and fentanyl. He attacks on command. He ...

"Well that's one way to find out about your family tree. How will you calmly tell the dog?" one user said in the comments.

Stacker pulled data from the American Kennel Club to compare dog popularity rankings from 2004 and 2024; the 2024 popularity rankings were released on March 20, 2025.