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This article belongs to the Race Against Time Timeline in the Classic Continuity 

Constatine Jacobs was a Plumber who appeared in Ben 10: Race Against Time.

Appearance[]

Jacobs' original appearance before being aged wasn't seen. However, after being aged, he had yellow teeth, white hair and his skin was a mix of grey and green. He wore a long sleeved collared shirt that was light blue.

History[]

Jacobs was one of the few Plumbers who remained on Earth and lived in Bellwood. He was assigned to watch over Eon, who was frozen in a cryogenic chamber. Eon freed himself before aging Jacobs enough to make him look like a zombie.

Jacobs was found by Ben, Gwen, and Max, where he was still alive. Though he was thought to be dead, he grabbed Ben's wrist and Ben accidentally pulled off his hand, freaking him and Gwen out. Jacobs explained that Eon was after the Hands of Armageddon and also Ben himself. He died shortly after.

Appearances[]

Ben 10[]

Movies[]

Human Characters
Prime Timeline
Tennyson Family Ben TennysonBetty Jean TennysonCarl TennysonClyde FifeFrank TennysonGordon TennysonGwen TennysonJoel TennysonKen TennysonMax TennysonNatalie TennysonSandra TennysonVera Tennyson
Osmosians CooperGaterboyKevin LevinPorcupine
Hybrids Alan AlbrightEsterHelen WheelsManny ArmstrongPierce Wheels
Plumbers Bel Biv KaboomBig EdElliotGeorge WashingtonMedicsMolly GuntherDr. Victor ValadisWes GreenZorian
Forever Knights foreverduke838SquireSir Winston
Actors Abel NorthGwenettesJennifer NocturneVilgax Actor
Government Air Force Major GeneralBald Police OfficerMr. BrysonEarlMr. GroffHugoMs. LiangMs. LockeMr. LouMasonMr. MullenPresidentRed CoatColonel RozumSheriff of BellwoodDr. ShuemanSpecial Extraterrestrial Containment TeamLt. SteelMr. WellsYosemite Park Ranger
Magic BezelElsgoodHexSpellbinderThomas Jingles
News Chet RigbyJimmy JonesSteve CummingsVance VetteroyWolf Blitzer
Professors and Scientists AnicetoElena ValadisHelena XaglivDr. KellyProfessor Paradox
Bellwood Residents Alton AlabasterBen's Teacher (And Then There Were 10)Ben's Teacher (Destroy All Aliens)Bill GacksDr. BorgesCarol SmithCash MurrayEmilyExasperated GuyIgnacius BaumannJamieMrs. JonesJonesyJTJulie YamamotoJuliusKevin's MotherMadisonMadison's FatherMolly SudaNatalie AlvarezPierce's GirlfriendMrs. RheaultSenseiSparring PartnerMr. SudaTeejThaddeus J. CollinsTrinaWaltWatchmakerMr. WebbMr. Yamamoto
Dairyville Residents Digby Dairy Security GuardJoan MaplewoodTodd Maplewood
Santa Mira Residents EdnaMoeShem
Washington DC Residents RegisRogerSumo Slammer Collecting Boy
Other Humans Amazing AlanAndyBarkerBarryBobBradMr. DoddsDonovan Grand SmithEddie Grand SmithEdithErinErin's BoyfriendEuniceMrs. FangFitzFlorenceFritzGenaroGilbertH.E. GradyHaroldHarvey HackettHectorHelioHervéHiveHotel GuardHowell WainwrightImmovable ObjectJeffJoeKai GreenLarryLawrence WainrightLucyMandyMargieMartyMaureen NocturneMildredMini-FailsafesOliver ThompsonPlumbiersDr. Randolph PervisMrs. RozumSandwich VendorShag CarpetingMr. ShawShelbyShip-It EmployeeMr. SimonsTiffanyTim DeanTylerValadis Laboratories JanitorMr. Zu
Alternate Dimensions/Timelines
Original Future Timeline Ben TennysonDevlin LevinDr. Gwendolyn TennysonGwendolyn Tennyson (Ben's Daughter)J. Jonah JonesKen TennysonKevin LevinMax Tennyson
Race Against Time Timeline Ben TennysonCarl TennysonMrs. CarlyleCash MurrayConstantine JacobsDoris DaltonEdward WhiteMr. EnguellsGwen TennysonMr. HawkinsMr. HubbardMr. JenyxJTMax TennysonSandra TennysonMr. Whittington
No Watch Timeline Ben TennysonGwen TennysonJTKevin LevinMax Tennyson
Other Dimensions/Timelines Ben 23Ben Tennyson (Gweniverse)Gwen 10Will Harangue (Mad Dimension)
Aborted Timelines
Time Heals Timeline Ben TennysonGwen TennysonKevin Levin
Ultimate Alien Future Timeline Ben Tennyson
Non-Canon
Gwen 10 Ben TennysonGwen TennysonMax Tennyson
Goodbye and Good Riddance ArnoldBen TennysonBen's TeacherCarl TennysonCash MurrayGwen TennysonJamieJTMax TennysonPetersonSandra Tennyson
Comics CollectorCharlie Lien HoCharlesDora WrightsonElena ValadisGradyLonnieMathieuPresidentPietroTimothyDr. Wrightson
Unofficial Characters
Crew Judicator
Non-Ben 10
Generator Rex Agent SixBlack KnightDr. Caesar SalazarDiane FarrahDr. Gabriel RylanderDr. Peter MeechumProvidenceRafael SalazarDr. Rebecca HolidayRex SalazarVioleta SalazarWhite Knight
The Secret Saturdays Doc SaturdayDrew SaturdayZak Saturday
MAD Benjamin Franklin