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Lenny is a boy that is in charge of the mascots.


Lenny is a young man that wears a black shirt with a cattle skull on it, a light blue demin vest, blue jeans and blue sneakers.


Lenny is a guy who works in Mascot, and makes sure Yawk is covered so he doesn't escape the valley. As soon as he does this, he goes home. However when Gwen asks Ben to sneak in the valley to get a photo, Yawk comes to life and starts to talk and sing. Suddenly, he wakes up and notices that the other mascots are alive, and uses Allen to fly over to the exit of the valley to stop Yawk from escaping. After defeating Yawk, Ben, Gwen, and Lenny take a selfie. Gwen asks about her shirt, but Lenny tells her that they were discontinued a year ago, and that the brochure states that. Gwen then tears it, and walks away. Lenny never appears again.


Ben 10

Season 2

Tennyson Family Ben TennysonGwen TennysonMax TennysonGlitchLady Wilhelmina Warwick
Levin Family Kevin LevinKevin's Father
Secondary Characters Phil BillingsVin EthanolSimon SezRyan SezMaxine SezCash MurrayJ.T.SallyToddSteveBillScottie FangFangPennyForgetiMelvinTevinCybearShasta FayMary Jo FourfeathersAzmuth
Accidentals NuggetMinitaurGoatadactylChinzilla
Others RefereeGlamour ManShady Looking DudeProspector PeteLesterStarshineEstherKomalOliverI.J. CrowlingGeezer BobBetts McCabeCadobbitLennyMrs. RolandBlackSmithSir CrepeRobin FoodClerkTetramand OverlordessBasherClaymoreAlien GuyMac BennysonHelen TroyMilleousMajor Glorff
Mascot Guards AllenElvisphantPretzel PeteTyrone
Tv Show Characters Lucky GirlBizmarkSpleenBobQuinnKyle
Crossover Nexus K.O.GarnetRaven
Future Characters Aloysius AnimoA.I. MaxBen 10,000Gwen TennysonHexHitchMauricePolar TwainZombozoSergeant SmytheSolar TwainSydney
Generator Rex Characters Rex SalazarBobo HahaAgent SixVioleta SalazarRafael Salazar
Alternate Timeline Maximilian TennysonBen Tennyson (Maximilian's Dimension)Alien Force BenUltimate Alien BenOriginal Series BenOmniverse BenGwen 10
Non-Canon Ranger Ryan