I will judge this within the first 5-7 posts. You can use these guidelines for the first or middle name.
LN: Has to be Mc(something) or Mac(something)
DF: Starts with an 'A' and ends with an 'N'. (Father)
DG: Has to have a double consonant. (Grandmother)
DD: Ends with an 'A'.
DD/DS: Ends in an 'EY'. / Starts with a 'S'.
DS: Is 12 years old.
DS: Has a nickname for a real name.
DD: Name has the meaning of '
JOY'.
DD: Starts with an 'X'.
DDog: Has a French name.
3DFish: All have color names.
Have fun & good luck!