Teenage Mutant Ninja Turtles co-creator Kevin Eastman inks a sketch for a fan at his booth in the main hallway.

Two DC Comic cosplayers pose for a photo together in the hallways of Boston Comic-Con.

Stacks of comics litter the tables of a merchant’s booth.

Batman ‘66 artist Ruben Procopio shows off his illustration skills for fans at DC Comics’ booth at San Diego Comic-Con 2014.

A zombie cosplayer poses with zombie actors at the Walking Dead display at San Diego Comic-Con 2014.

The massive head of the fearsome dragon Smaug glowers at Weta booth passerby with an animated eye at San Diego Comic-Con 2014.

Comic-Con attendees enjoy some game time on custom-built arcade cabinets at the Behemoth booth during San Diego Comic-Con 2014.

A Joker cosplayer shows off his smile outside the Cinema Makeup School booth at San Diego Comic-Con 2014.

Spectra writer Rebecca Thompson at the PhysicsCentral booth in the exhibit hall at San Diego Comic-Con 2014.

An attendee photobombs a shoot of a Pikachu cosplayer on the show floor of Boston Comic Con 2014 in the Seaport World Trade Center.