Tommy Davidson, best known for being in a sketch comedy show called In Living Color, makes a appearance playing Randys grandfather on All That.\r \r Randy (Kenan Thompson) and Mandy (Angelique Bates) of All That are whipping up some chocolatey treats for this holiday season! Subscribe: .\r \r This video was uploaded from an Android phone.\r \r Description.\r \r From Season 3, Episode 21. All rights go to Nickelodeon.\r \r