Most common is the ordinary 'Val' or 'Vally', but besides that maybe you can add a detail about yourself to make the nickname more personal and not ordinary =)
Jesus Christ Jesus Christ
Villie Adams
Val, V, flowery, Re re, Erie
If you like 'Nan' as a nickname, then yes, it is a good nickname.
Some girl's nickname that starts with V is Vicky (Victoria). Val (Valerie), or Van (Vanessa).
Valerie Poxleitner is a Canadian electropop musician and singer, who is now legally known as "Lights."The mononym was her nickname based on the pronunciation of her surname (Pox-LEIT-ner). She is married to musician Beau Bokan and outside her music uses the name Valerie Poxleitner-Bokan.
Vals is a nickname for Valentine, which is for males. For females, vals is a nickname for Valerie. VALS can also be the company that orginated in the 1970s designed to help companies sell their products better.
A good nickname for what? Sounds a bit pansy
Chris or CJ could be good nicknames for Christian.
Lights is her name. Growing up her nickname was Lights so she legally changed it to Lights Poxleitner.
It does not require a nickname.
A good nickname for Zekrom would be "Black Dragon".