Kardashian family

Kardashian family commonly known as Kardashians is a family on Earth One.

History
At some point in time after Oliver Queen being stranded on Lian Yu in 2007, Kardashians become a household name due to having a lot of air time on television.

Their stint on television earned some notoriety as evidenced by Nate Heywood's opinion that they have "ruined" the Hollywood.

Trivia

 * As evidenced by J'onn J'onzz saying "Keeping Up with the Kryptonians" in episode, which is a play on the title of real-life show "Keeping Up with Kardashians", they might as well exist on Earth Thirty-Eight.
 * Of all real Kardashian family members one that is known to have direct counterparts in shared multiverse is Kanye West (real-life husband of Kim Kardashian), who is also known to have a doppelgänger on Earth Thirty-Eight.

Behind the scenes

 * In the real world Kardashian family is indeed known for their rather notorious reality show Keeping Up with the Kardashians.