Smosh Wiki

Keith O'Brien Leak Jr. (born October 22, 1991) is an American actor and regular Smosh cast member. On March 13, 2015, Smosh announced that Keith, Olivia Sui, and Noah Grossman would officially be joining Smosh as recurring cast members. His YouTube channel is Smosh Keith.

He was the host of the Smosh Pit series, One Hour Song Machine, and is one half of the House Band on You Posted That? along with Scott Passarella.

Smosh Credits


Video Released
EVERY PUBERTY EVER January 8, 2018
EVERY 7-ELEVEN EVER September 10, 2018
David Dobrik Shoots a Fan's Eye Out, Mr. Beast Hates Us, and Some Good News - GDFN April 29, 2020
Kanye Runs For President, Cancel Party of the Week & Wear a Damn Mask - GDFN July 8, 2020
Smosh Hosts The News: TikTok Gets Banned?! August 5, 2020
Skateboarding without Skateboards September 16, 2020
Drunk Me vs. Sober Me April 19, 2021
Keith Has Cancer October 6, 2021
Shayne Interviews His Exes November 3, 2021
POV: You're A Starbucks Barista January 19, 2022
Our DMs Leaked Again January 24, 2022
These DMs Went Too Far February 7, 2022
These DMs Are Too Horny March 7, 2022
Shayne Topp Is Dead March 13, 2022
I Caught Him Cheating On Me March 23, 2022
Olivia Sui Is Dead May 9, 2022


Video Released
How To Spring Break (Quarantine Edition) March 30, 2020
Every Online Class Ever April 20, 2020
The Most Annoying Kid is in Quarantine April 22, 2020
Home School vs Public School August 31, 2020


  • Before Smosh, Keith played the TV movie Just the Two of Us and TV mini-series Livin' N NoHo.
  • Keith also has another YouTube channel, keithleaktv , but it only contains seven videos and has not had a new one since April of 2014.
  • According to Keith, he has three sisters, one half-brother and six step-siblings.
  • Keith was the first Smosh Squad member to appear on Smosh, doing so on December 5, 2014 in the video, Magic iPod.
  • Keith voiced the Edible Cactus during Food Battle X voting.
  • Keith is from Ohio. While he grew up in Cincinnati, he considers himself to be from Middletown.
  • In the first episode of The Show w/ No Name!, Keith revealed that when he has children, he would like to name a son Krome and a daughter Klover Green.
  • He portrayed Garvey in the movie "Mono".
  • He is often shipped with Noah Grossman, and the two often make fun of this by messing around each other by flirting and joking with each other.
  • As a child, Keith played soccer for 12 years and won 600 trophies.
  • In 2016, Keith stated that his favorite color was green. In 2019, it had changed to red.
  • Keith's Smosh YouTube channel has only one video, which is a parody of Michael Jackson's P.Y.T. He is the only Smosh member to have one upload on their personal channel.
  • Keith was on the verge of crying in FANS ROAST US AGAIN! (The Show w/ No Name).
  • In the 2 Truths 1 Lie episode IAN AND KEITH GOT BEEF, it was revealed that Keith had been in a secret relationship for a few months, which he hadn't told the rest of the Smosh Squad about.
  • Keith does not yet have a driver's license.[1]
  • He is scared of heights just like Olivia. He does not like roller coasters, however he will go on them if they are not too bad.
  • During WORK WIFE VS WORK HUBBY: WHO KNOWS ME BEST?, it was revealed that he owns 33 hats. This video came out in November 2019, so the number could have increased since then.
  • He is consider to be the "least nerdy" of the Smosh cast, as he has never seen Star Wars, Harry Potter, Star Trek, or the majority of Marvel's movies.
  • Keith is very talented at art. He attended art school before his time on Smosh, and has been shown to be very good at drawing in several Smosh Pit videos.
  • If Keith was to live with any other member of the Smosh cast, he would live with Noah.
  • Keith considers Olivia to be the worst driver he knows, as she has run out of gas several times while driving, including one occasion where she ran out of gas at a red light while Keith and Noah were in her car.
    • Keith also considers Noah to be a bad driver. He has been in a car accident while Noah was driving.
  • Keith is known to be willing to cheat a lot when it comes to games (not video games). The Smosh Fam will joke about how he (and LaserCorn) will cheat at something in the Smosh summer/winter games.
  • He is a huge Michael Jackson fan.
  • In the video Keith Has Cancer, Keith reveals that he was diagnosed with a 10 inch gastrointestinal stromal tumor.