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Isabelle McDuffe
General Information
Species Human
Home World Earth
Residence Bellwood
Age 14
Affiliations Ben Tennyson (boyfriend)
Occupations Student
Powers and Abilities
Abilities Intuition
Spontaneous Learning/Understanding
Equipment Backpack
Relatives Unnamed father
Unnamed mother
Aliases Izz
Voice Actor Grey DeLisle
First Appearance The Rising Hero

Isabelle McDuffe is Ben Tennyson's crush in Ben 10: Tales of the Omnitrix. She first appered in The Rising Hero. She is a human from the planet Earth.


Isabelle has black two ponytailed hair, blue eyes and pinkish lipstick. She has purple shirt, emerald ascot, green skirt and pink flats.


Isabelle is calm and nice girl who loves to explore new territories with her loved ones.



Isabelle comes from an weird, but strict family. Her father is movie director and mother medic and meet Ben in third grade.

Ben 10: Tales of the Omnitrix

In The Rising Hero While Ben was going to her locker they talked about the vacation plans and before he was leaving she kissed him on the check and left to do rafting with her parents.

Powers and Abilities

Being an ordinary human, Isabelle doesn't possess any superpowers herself.


Since Isabelle is a mere human, she is susceptible with most human weaknesses and is at a major risk when going against a powerful opponent.



  • Isabelle is more interested girlfriend of Ben's activities than Kai Green and Julie Yamamoto.[1]
  • Isabelle's surname is based on the late story editor/writer of many Ben 10 episodes, Dwayne McDuffe.
    • While going with the surname Isabelle's original names were Samantha, Natalie, Jessie and Patricia.
  • Prior choicing Grey DeLisle Isabelle's ideal voice actresses were Hynden Walch, Janet Varney and Alyson Stoner.[1]
  • When Isabelle kisses Ben on the checks whitch let's him completly speechless.
  • Isabelle's inspiration was Ester from Ben 10: Omniverse.
  • Isabelle is homage to Daphne Blake from Scooby Doo, as they share the same voice actress.



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