When he "shakes it off," he actually shakes.
He mainly only has "bad blood" with Severus Snape.
He is Doug the Pug, and Taylor Swift would be forgiven for not knowing he was trouble when he walked into Mashable's office this week, then parodied some of the pop superstar's Instagram photos:
We sincerely hope the two get back together for more collaborations, despite there being an admittedly poor precedent.
And if you're looking for more from the Doug the Pug/T-Swift shoot, here's a behind-the-scenes video: