I like Ike for an older person or Ikey for a baby.
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.
A good nickname for Sheila could be Shei or Shelly.
A good nickname for Zekrom would be "Black Dragon".
Jaz might be a good nickname
Well my friend is called Kristen her nickname is krissi.
Kenster, Ken, Kenny...
The concept of good becoming evil and evil becoming good is discussed in the Bible in the book of Isaiah, specifically in Isaiah 5:20.
The good nickname for christian is chriss killr
he is great
I'm not sure what "movab" is, but I searched a good bit and did not see a birthplace mentioned for Isaiah.