Phil Plait's birth name is Philip C. Plait.
Phil Plait goes by The BadAstronomer.
Phil Cool's birth name is Phil Martin.
Phil Emery's birth name is Phil Sheridan Emery.
Phil Boroff's birth name is Phil Dean Boroff.
Phil Hendrie's birth name is Philip Stephen Hendrie.
Phil LaMarr's birth name is Phillip LaMarr.
Phil Silvers's birth name is Philip Silver.
Phil Ryley's birth name is Philip Ryley.
Phil Sable's birth name is Philip Sable.
Phil Schumacher's birth name is Phillip Schumacher.
Phil Urso's birth name is Philip Urso.
Phil Jutzi's birth name is Jutzi, Philipp.