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Gwen is 10 (and later 11) in the original series and 15 in Alien Force being as it is five years later.
She and Ben according to the Show share the same birthday.
What else can I help you with?
BEN 10 Gwen tennyson's birthday?
In ben 10 which day in december that's gwen tennyson's birthday
Can you name me Ben Tennyson's Grandpa and cousin?
Ben's cousin is Gwen Tennyson and Ben's Grandpa is Max Tennyson.
Does Gwen Tennyson know the feeling having the omnitrix?
Not really but she has powers that are like the omnitrix.
How old is Matt Tennyson?
NHL player Matt Tennyson was born on 04-23-90 and as of the end of the 2013-2014 season is 24 years old.
How old is Gwen Verdon?
Gwen Verdon was born on January 13, 1925 and died on October 18, 2000. Gwen Verdon would have been 75 years old at the time of death or 90 years old today.
Who is a Tennyson heroine?
Gwen Tennyson
What is the name of ben Tennyson's female cousin?
Gwen Tennyson
BEN 10 Gwen tennyson's birthday?
In ben 10 which day in december that's gwen tennyson's birthday
What alien race is Gwen Tennyson from Ben 10?
Gwen Tennyson, like her cousin Ben, is a human/Anodite hybrid.
Is Gwen Tennyson hot?
yes
Who is ben 10s cousin?
Gwen and Kevin 11.
Can you name me Ben Tennyson's Grandpa and cousin?
Ben's cousin is Gwen Tennyson and Ben's Grandpa is Max Tennyson.
What Color Power did Gwen tennyson have?
she had blue
Does Gwen Tennyson like Kevin Levin?
Totaly. Kevin shows a romantic interest in Gwen Tennyson
What is the name of the cosin of Ben 10?
Gwen Tennyson
Who will Gwen tennyson end up with?
Kevin Levin
Who plays Gwen in Ben 10 Alien Force?
the voice of Gwen Tennyson is Ashely Johnson
