Eddy sits at rank 1379, a cheerful version of Ed that loses all historical formality and replaces it with dog-park energy. The double-d spelling softens the name relative to the standard Eddie, making it read lighter and more playful.
The -y Spelling Distinction
Eddy rather than Eddie is a small but deliberate choice: the -y ending reads slightly more whimsical, less like a nickname for Edward and more like a standalone name for a dog who runs into things. The same owner impulse that produces Benny vs. Bennie is at work here. For male dogs with outgoing, somewhat chaotic energy, Jack Russell Terriers and Beagles are natural fits.
The Rock-Music Register
The name's rock connections add a layer: Eddie Van Halen, Eddie Vedder, Eddie Money. Eddy on a dog is the casual variation of that energy, promising motion and enthusiasm without requiring any specific musical knowledge. The human name trajectory is tracked at /names/eddie. Teddy and Freddy are close neighbors in sound and feel.
The Counter-Reading
Eddy is warm and functional but doesn't assert itself strongly. For owners who want the casual-classic feel with more sound presence, Ollie or Riley carry more weight.