(It just rhymes well. )
Xu Yin Hao: Xu Yinran
('Hao' and' Hao' mean noble and upright)
Xu Yin Hao: Xu Yinjie.
(both are called "heroes")
Xu Xuanyin: Xu Yuan Yin
(Xuanyuan was originally the surname of the Yellow Emperor, and it is also good to use it in the name. )