Tetherby is the main antagonist of The Loud House Season 1 episode, Out on a Limo.
in the episode, Tetherby influenced Lincoln on what life is like without his sisters. but Lincoln proved himself wrong and turned on against Tetherby.
in the episode, Tetherby decided to let Lincoln join him in both of their Limos instead of taking his sisters to The Flippin Burger. when Lincoln arrived back to his house, his sisters became mad at Lincoln for not taking them to The Flippin Burger causing Lincoln to lose his limo. meanwhile after Lincoln apologized to his sisters for the misunderstanding, Tetherby appeared while they were at The Flippin Burger but Lincoln along with his sisters squirts Tetherby with Ketchup and Mustard. it is unkown what became of Tetherby after that.
he is a elderly over-weighted man with khaki shoes, brown shoes, white slippers, a blue shirt, light fair skin, a red dressing robe, and wields a black walking stick.
- He is one of The Loud House Characters to be a Villain/antagonist the others being Hawk and Hank, Bratty Kid, and The Kitty.