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.
The character doesnt have a specific age but Angel Coulby (who plays Gwen) is 30 years old.
In ben 10 which day in december that's gwen tennyson's birthday
Ben's cousin is Gwen Tennyson and Ben's Grandpa is Max Tennyson.
Not really but she has powers that are like the omnitrix.
NHL player Matt Tennyson was born on 04-23-90 and as of the end of the 2013-2014 season is 24 years old.
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.
Gwen Tennyson
Gwen Tennyson
In ben 10 which day in december that's gwen tennyson's birthday
Gwen Tennyson, like her cousin Ben, is a human/Anodite hybrid.
yes
Gwen and Kevin 11.
Ben's cousin is Gwen Tennyson and Ben's Grandpa is Max Tennyson.
she had blue
Totaly. Kevin shows a romantic interest in Gwen Tennyson
Kevin Levin
Gwen Tennyson
the voice of Gwen Tennyson is Ashely Johnson