The sources checked record no meaning for Xello as a name.
Playful
Cool
Yellow, Orange, White, Black
Any Size
Unisex
English
X
5 Letters
A flame, from Latin flamma: the visible, gaseous part of a fire
A playful variation of the name 'Zack'.
Modern variant of Blaise, influenced by the English word blaze
English caddie, a golfer's assistant; also recorded as a rare given name in English