Collins Key - Merrell Twins vs. Key Bros! Things got WILD! Link to the video in the comments of this photo | Facebook
Guess That YouTuber Challenge - Merrell Twins Ft. Collins Key guess the youtuber - YouTube
LARGEST TWiN COLLAB EVER | ft. BrooklynAndBailey, MerrellTwins and MORE! - YouTube
Dance Partner Challenge - ft. D-trix & Matt Steffanina - Merrell Twins - YouTube
7 Second Challenge with The Standoff Movie Cast - Merrell Twins - YouTube
Collins and Devan Key: Nickelodeon Show, YouTube, Demi Lovato
The Merrell Triplets? (Basically I want them to adopt me) | Merrell twins, Merell twins, Merrill twins
Collins Key on Twitter: "Things got MESSY in my SMOOTHIE CHALLENGE w/@VanessaMerrell @veronicamerrell!! Give it a THUMBS UP for a FOLLOW https://t.co/NHsO0ih3Iu RT" / Twitter
SMOOTHIE CHALLENGE w/the Merrell Twins | Collins Key | I do the Smoothie Challenge w/ The Merrell Twins (super gross smoothies - gotta drink it all) 50,000 THUMBS UP for another COLLAB
Adventures of The Merrell Twins. - Chapter 11 - Call from Collins and Devan Key. - Wattpad