Leeloo is one of those rare pet names where the reference is specific enough to create instant recognition among people who know it, and soft enough in sound that it lands warmly even for people who don't. It's a fandom name that doesn't require the fandom to work.
The Fifth Element Origin
Leeloo Dallas — played by Milla Jovovich in Luc Besson's 1997 film The Fifth Element — is one of science fiction's most distinctive characters: alien supreme being, orange hair, supreme efficiency in combat, deeply human in emotional responses. The name has the doubled-syllable playfulness of Zuzu while carrying a specific sci-fi pedigree. For owners who love the film, naming a pet Leeloo is an obvious and affectionate tribute.
Sound Without the Reference
Leeloo works phonetically independent of the film. The two repeated "oo" sounds have the same bouncy quality as Zuzu or Coco — easy to call, hard to mishear, inherently playful. It suits small female animals with an unusual quality: a cat who watches you from strange angles, a small dog who seems entirely unimpressed by normal behavior.
The Narrow Fandom Question
The Fifth Element has genuine cult status but it's a 1997 film — the reference may not land with younger pet owners. If that matters to you, Luna or Nova cover the same sci-fi-adjacent-feminine territory without the specific property attachment. Browse all pet names for more options.