Walle in pet registries is almost certainly a rendering of WALL-E — the Pixar robot protagonist of the 2008 film of the same name. The hyphen gets dropped in license applications that don't accommodate special characters, producing Walle as the canonical registry form of a name that in the owner's head is definitively WALL-E.
The WALL-E Reference
WALL-E (Waste Allocation Load Lifter: Earth-Class) is among the most beloved characters in Pixar's history — a small, industrious, curious robot who falls in love and saves humanity through persistence and heart. The film won the Academy Award for Best Animated Feature in 2009. A dog named WALL-E (or Walle) is a tribute to those qualities: diligence, curiosity, and an enormous capacity for affection despite a difficult world.
The Registry Artifact Dimension
The Walle spelling is almost certainly a transcription artifact — the registry form of WALL-E that loses the hyphen and capital letters in data processing. This makes Walle a useful case study in how special characters in pet names create spelling variation in official records. The broader pet name dataset contains several similar transcription patterns at this rank.
Breed Fit and Personality
French Bulldogs and Pugs, with their compact square builds and oversized expressive eyes, have a physical resemblance to the WALL-E character that makes the name land with particular accuracy. Any small, earnest, hardworking dog earns it on personality alone.