Johnson's YouTube channel was created on October 12, 2006. He held multiple jobs before he began regularly uploading to the channel. He has worked as a
teaching assistant at the Georgia Institute of Technology, a
software developer intern at Radiant Systems, an engineering practicum intern at Google, a software engineer intern and a software engineer at Yelp, and a senior software engineer and an
engineering manager at Patreon. Initially, Johnson's channel focused on software engineering; he would later begin making commentary videos after watching an upload from
Drew Gooden and trying his hand at Gooden's format. He soon quit his job at Patreon to post regularly on his channel. As Johnson's video wasn't getting much traffic, Johnson saw Ko's video and decided to update his video's title to include "5-Minute Crafts" to attract more viewers. Johnson credited this video as his "breakout video." In early 2021, Johnson was listed as one of
Forbes "30 under 30" list of influential people for that year. typically uploading weekly and covering a range of topics across the hosts' own lives and current events in the world. Sad Boyz was created with toxic masculinity in mind, as the pair have stated a desire to normalize men talking openly about their feelings. In May 2021, Johnson posted a video on
Twitter captioned "what a normal and ultimate spaghetti hack!" The video consisted of a woman pouring
Prego sauce onto a kitchen counter. The tweet gained international recognition, and Prego ended up on the trending page on Twitter. The video in the tweet was then taken down by the creator of the video,
Rick Lax, two days later. In July 2021,
Rhett and Link announced that their production company,
Mythical Entertainment, had acquired an ownership stake in the umbrella company Johnson founded for his various revenue streams. ==Boxing record==