The fans of the show Doctor Who are some of the silliest people on the internet. The fandom has been responsible for many memes and amusing reaction GIFs since the 2005 re-launch of the show. A large number of these fans are on Tumblr, a site also known for being goofy and heavy in memes and reaction GIFs.
When the 11th Doctor left the show Peter Capaldi was revealed as the next actor who would take the role of The Doctor.
The entire fandom wondered what sort of silly outfit Capaldi would have after the 11th Doctor’s “slightly hipster” style with all those bowties and the silly fez he wore in a few episodes.
Others joked about how silly he would look if he had a skull tee shirt, since Capaldi is much older than Smith.
Or even a skull tee shirt and obnoxious red plaid pants.
Then the outfit for the 12th Doctor was disclosed. Many people hypothesize that the style of the new outfit is a callback to Classic Doctor Who. but instead of the scarf-wearing 4th Doctor the reference is being made to the 3rd Doctor.
There are a bunch more takes on the 12th Doctor’s outfit and I’m sure that there will be many more to come.