The name vivienne means:

  A - ACCEPTED
  L - LUCKY
  E - EXQUISITE
  X -
  Y - YUMMY
  S - SKILLFUL

Alexys means:
Variant of Alexus Alexx Alexxa Alexandra Alexxis Alexis Alexya Alexyea Alexyia Alexys Alexyss: Protector of mankind

  A - ABSOLUTELY
  P - PARADISE
  O - OPEN
  L - LUCKY
  L - LUCID
  O - ONE-HUNDRED PERCENT

Apollo means:
uncle of Tristan

  M - MASTERFUL
  I - INTELLECTUAL
  K - KNOWLEDGEABLE
  E - ESTEEMED
  Y - YES

Mikey means:
Like God