Donald Trump has become infamous for using Twitter to attack people or news agencies that are getting on his nerves — CNN, Hillary Clinton, Arnold Schwarzenegger and even Senators of his own party. Here's who POTUS has attacked on Twitter since taking office:

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Data: Trump Twitter Archive; Diagram: Lazaro Gamio / Axios

Methodology: We looked through all of Trump's tweets since inauguration and noted each time he used Twitter exclusively to name-call, shame, insult or mock a specific person, company or industry, as well as each entity being attacked. Not every negative comment qualified as an "attack."