Izzy is usually a nickname for Isabel, a good nickname for Lauren is Lau (pronounced Law) but a nickname is there for a reason, it doesn't have to match the birth name, just has to suit the person.
a good name for William would be 1. will 2.Willow 3. walle
Donkey!! :P
Magayla
Shay or Shawny would be good nicknames for Shawna.
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.
Jaz might be a good nickname
A good nickname for Sheila could be Shei or Shelly.
A good nickname for Zekrom would be "Black Dragon".
Well my friend is called Kristen her nickname is krissi.
Kenster, Ken, Kenny...
The good nickname for christian is chriss killr
Lee is a good nickname because it is part of Emi ly (Lee).
A good nickname for the name London could be Loni or Lundy.
Ella ~ I think Shelly is a good nickname!