Rook Blonko
Vital statistics
Real name Rook
Alias Rook
Age 16
Species Revonnahgander
Designation Mission giver
Series Ben 10 Omniverse
Location Retroville
Nano Item Proto-Tool
Voiced by Bumper Robinson

Rook Blonko is Ben's new partner after Gwen and Kevin left in Ben 10: Omniverse. He is a Revonnahgander from the planet Revonnah.


Rook just graduated from the Plumber school and was visiting Earth when Fuse attacked. He managed to get to Retroville and has put his scientific knowledge to good use there working with Velma Dinkley and Jimmy Neutron.

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