The sources checked do not record Paxo as a personal name.
Playful
Cool
Brown, White, Black
Small
Unisex
Latin
P
4 Letters
Recorded as a masculine given name in medieval french
Esperanto word borrowed from French pépier
Recorded as a masculine given name in Spanish
A type of dog breed known for agility and playful nature
Italian nickname from zito, "bachelor, unmarried boy"