Dr. Grow (formerly known as Dr. Shrinky) is the partner of Very Clean Guy. He is able to increase the size of any object.


Dr. Grow is primarily orange. He wears a medical scrub cap, a teal shirt embellished with a medical symbol, and teal tights. Dr. Grow also wears a dark blue mask, white gloves and white shoes.


Tyrone has played Dr. Grow in one episode of The Backyardigans: "Race to the Tower of Power" from season one.

Played by Tyrone
Season 1 roles
Captain TyroneTarzan the Animal GuyArctic Explorer TyroneMountie TyroneAgent TyroneGhost TyroneCowboy TyroneServant TyroneMoose of the MistViking TyroneCastaway TyroneDr. ShrinkyDr. GrowDesert Quester TyroneSurfer TyroneDusty Ol' TyroneRacer TyroneDetective TyroneCaveman Tyrone
Season 2 roles
Ground Controller TyronePie Master TyroneMummy King TyroneButler TyroneTyrone the StrongTyrone of the JungleSwamp CreatureFarmer TyroneMailman TyroneHenchman TyroneSultan TyroneSergeant TyroneSinbadRingmaster TyroneRescue OneNavigator TyroneFarmer TyroneStagecoach Driver TyroneWizard Tyrone
Season 3 roles
Security Guard TyroneBarkeeper TyroneMoose-ian TyroneAbominable SnowmanPest Controller TyroneMayan King TyroneTyrone the LadCaptain BubbleSir TyroneCowboy TyroneWeatherman TyroneDolphin Racer TyroneFireman TyroneVillager TyronePaperboy TyroneMusketeer TyroneGuard Tyrone
Season 4 roles
Resident TyroneTsar TyroneGroundskeeper TyroneWindow Washer TyroneAdventurer TyroneTower Guard TyroneAbominable Brother TyroneViolin Player TyroneSock-Matcher TyroneDelivery Agent TyroneSkateboarder TyroneAcorn TyroneTour Guide TyroneSpace Officer TyroneSplashini Tyrone
Other roles
Baby TyroneKeyboardist TyroneSpace Alien Detective TyroneHarbor Rescue Officer Tyrone