It didn't take Mr. Met long to learn that social media isn't all good and fun.

Like many athletes and public figures before him, New York's mascot was the subject of some good-natured (we think) teasing from his counterparts upon creating his Twitter page.

Kansas City Royals mascot "Sluggerrr" kicked off the jokes with this tweet:

Unfazed, Mr. Met responded with this gem:

It didn't take long for other mascots to join in on the fun. Southpaw, who represents the Chicago Whites Sox, apparently also has feelings for Mrs. Met:

So does Cleveland's Slider:

Good thing Mr. Met's face features a permanent smile. Otherwise he probably wouldn't be grinning after all these low blows.

(H/T to