If you like 'Nan' as a nickname, then yes, it is a good nickname.
A good nickname for what? Sounds a bit pansy
It does not require a nickname.
Jackie Jr was born in 1946, Sharon was born in 1950, and David was born in 1952.
A good nickname for Zekrom would be "Black Dragon".
Jaz might be a good nickname
A good nickname for Sheila could be Shei or Shelly.
Well my friend is called Kristen her nickname is krissi.
Kenster, Ken, Kenny...
Sharon or Malcolm
A good nickname for someone named Christian could be "Chris" or "Cris" for short.
Lee is a good nickname because it is part of Emi ly (Lee).