We are officially declaring Drake Bell the biggest celebrity bully of all time. The 27-year-old Drake & Josh star has become obsessed with bashing 19-year-old Justin Bieber and his younger fans on Twitter. The feud has been going on since 2012 and just when the world thought Drake was done posting unprovoked insults toward Justin, he strikes again! The Nickelodeon actor has once again urged fans to stop supporting the "All That Matters" singer.
Click through to see a timeline of Drake and Justin's Twitter feud, including the most recent attack from the actor. Do you think Drake needs to keep his opinions to himself? Sound off in the comments below!