By Laura Stampler
April 6, 2015

Many things happened on Sunday’s Mad Men premiere, but all plot points paled in comparison to one new development: Roger Sterling’s new handlebar mustache:

“Everybody grew a mustache in 1969, so I’m told,” actor John Slattery told HitFlix. “…That was their foray into the kind of trying to look hip and young. I don’t think that mustache makes me look any younger that’s for sure. But I think it’s funny and I think it’s a good part of the story.”

Obviously, the new look elicited much fan discussion in the Twitterverse.

Some were unequivocally pro-stache:

Others cowered in fear:

Many mocked:

And it made some fans speculate about the future:

Luckily, the mustache will not be shaved before next week’s episode:

Read next: Mad Men Recap: ‘Severance’

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