Question: Why do all of the apostles look alike?

Answer:  

http://en.wikipedia.org/wiki/Holy_Kinship

 http://de.wikipedia.org/wiki/Heilige_Sippe

Jesus' Granny
Jesus' Grampa
alleged biological father of Jesus
http://en.wikipedia.org/wiki/Saint_Joseph
http://en.wikipedia.org/wiki/Jesus

Alphaeus
http://en.wikipedia.org/wiki/Mary_of_Clopas 
http://en.wikipedia.org/wiki/Jude_the_Apostle
http://en.wikipedia.org/wiki/James,_son_of_Alphaeus
http://en.wikipedia.org/wiki/Matthew_the_Evangelist

http://en.wikipedia.org/wiki/Clopas
http://en.wikipedia.org/wiki/Simon_the_Zealot
(http://en.wikipedia.org/wiki/Simeon_of_Jerusalem)

Zebedee
http://en.wikipedia.org/wiki/Salome_%28disciple%29
http://en.wikipedia.org/wiki/James,_son_of_Zebedee
http://en.wikipedia.org/wiki/John_the_Apostle

Jonah
http://en.wikipedia.org/wiki/Saint_Peter
http://en.wikipedia.org/wiki/Andrew_the_Apostle

http://en.wikipedia.org/wiki/Bartholomew
http://en.wikipedia.org/wiki/Philip_the_Apostle

http://en.wikipedia.org/wiki/Thomas_the_Apostle

http://en.wikipedia.org/wiki/Judas_Iscariot

http://en.wikipedia.org/wiki/Saint_Matthias

http://en.wikipedia.org/wiki/Twelve_apostles
http://en.wikipedia.org/wiki/Nag_Hammadi_library