Celebrities sometimes have difficult experiences dealing with people. Not just fans, but oblivious people, too, particularly if those people are using social media. Online, it's easy to forget to check who you're talking to, and it's not hard to accidentally say the wrong thing to someone who happens to be the designer of a popular video game or the voice actor from your favorite TV show. And even in real life, we might not always recognize celebrities that we thought we'd know instantly — just ask Tony Hawk, who is often told he looks a little like Tony Hawk, but is never actually recognized.

These awakward moments can be either hilarious and embarrassing, depending on which side of the computer screen you're sitting. Consider the following fifteen images a warning to always check the name of the person you're arguing with online, and maybe do a quick online search, because otherwise, things could get really awkward really fast. Here are 15 of our favorite terrible moments where people really didn't know who they were talking to.