Bryan Cranston wore the best costume to Comic-Con.

The actor dressed up as his "Breaking Bad" character complete with a Heisenberg mask and no one knew.

According to AMC, he walked the floors of the San Diego Convention Center and blended right in with the crowd.

Celebrities, take note. This is how you walk through crowds of fans without getting noticed.

@karsonwithak / Twitter

Creator of the mask, Landon Meier, shared with Business Insider that he walked the floor with Cranston. The responses from the crowd were great.

"[The] funniest comment we consistently heard from the crowd, 'You even sound like Bryan Cranston!'"





It wasn't until he arrived at the "Breaking Bad" panel Sunday and took off the mask that people realized it was Cranston wearing the clever disguise.

Kevin Winter / Getty Images

Kevin Winter / Getty Images

Kevin Winter / Getty Images

Then things got weird.

Cranston started making out with the mask.

Kevin Winter / Getty Images

Actor Aaron Paul who plays Cranston's partner-in-crime Jesse Pinkman got in on the action, too.

@empiremagazine / Twitter

@BreakingBad_AMC/Twitter

Creator Vince Gilligan had the best reaction: