Canonically, they hatch from eggs, but as usual for child-friendly characters, the genitalia question is not explored in the lore. Kiki is a robot representing an antropomorphic squirrel. In general, animal and robotic characters don’t need to wear clothes to be considered “appropriate for all ages” as long as they don’t have genitalia or sexualized antropomorphic features like boobs. However, the fact that Kiki, Konqi and Katie are canonically a boy and girls means they should not be sexualized, ever.
Here’s some KDE lore.
https://community.kde.org/Konqi
Canonically, they hatch from eggs, but as usual for child-friendly characters, the genitalia question is not explored in the lore. Kiki is a robot representing an antropomorphic squirrel. In general, animal and robotic characters don’t need to wear clothes to be considered “appropriate for all ages” as long as they don’t have genitalia or sexualized antropomorphic features like boobs. However, the fact that Kiki, Konqi and Katie are canonically a boy and girls means they should not be sexualized, ever.