Sheriff Rick-Dan Wat-Senn is a Plumber with a cowboy-look stationed on Revonnah.
Ben 10: Omniverse
Wat-Senn's name is a pun on the name "Watson" and Rip van Winkle.
- Wat-Senn asked to be stationed on Revonnah purely because nothing eventful ever occurs on the planet.
- Wat-Senn is an old rival and friend of Max Tennyson.
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