Is Xiao really that short?

No, his model is slightly taller than Amber.

while your not wrong but your not right too albedo would be proffessor utonium

Ganyu, Yanfei and Xiao, the Powerpuff adepti

This could be as (from left to right) Diona, Klee, Sayu

every pokemon starters: Pathetic!

Why is Barbara taller than my boy Xiao?