Colby Brock (born January 2, 1997) is a YouTube and Instagram star. He makes haunted, exploration videos on his collab channel, Sam and Colby. On his chaneel he makes videos like calling terrifying phone numbers, challenges, reactions, storytimes, and collabs with Jake, Corey, Sam, and other friends.^[2]

In the days of Vine, he was a star who makes up one half of the video content creating duo Sam and Colby alongside his friend Sam Golbach. He and Sam reached their first 10,000 followers in January of 2014 and their first 100,000 followers in April of 2014. He and Sam's Vine account surpassed 1.5 million followers.

Now on YouTube, he joined the channel in April 2016 and he has over 2.3 million subscribers on the channel. He has multiple videos on prank calls, personal experience and scary stories. He has a over 200 million views on all his videos.^[2]

He is from Stanley, Kansas. He has frequently tweeted that he enjoys hanging out with his parents. He collaborated with Jack Dytrych on a video called "Inappropriate Songs While on Hold" in January of 2014. ^[1] He has a brother named Gage. He is older than Colby with just two years^[3]

He has over 1.4 million followers on TikTok^[4] and over 1.7 million followers on Instagram^[5]