Lets see what's on which side.
On the christian believers side you have.
Jw's
The Pope
Fred Phelps
Ted Haggard
Jimmy Swaggart
Talking snakes
Worldwide floods
Living inside fish
Losing you superpowers getting a harcut.
Beating your slaves.
Marrying your rapist.
Hating gay people.
6,000 years of human existence
On the non believers side you have.
Richard Dawkins
Sir Richard Attenborough
Stephen Hawking
Carl Sagan
Science
Evolution
I know which sounds more credible to me.