Sailor Steve is a character from the Lethargic Lad

Lethargic Lad

Lethargic Lad is a protagonist in the comic strip of the same name, created by Greg Hyland sometime in the late 1980s. The character is notable for being very slow and inactive. Lethargic Lad does not speak, though he sometimes mutters "Umm...".-Comics:...

 comic book. He is best described as a thin white male who dresses in Sailor Moon

Sailor Moon

Sailor Moon, known as , is a media franchise created by manga artist Naoko Takeuchi. Fred Patten credits Takeuchi with popularizing the concept of a team of magical girls, and Paul Gravett credits the series with "revitalizing" the magical-girl genre itself...

 outfits. Among North-American Otaku

Otaku

is a Japanese term used to refer to people with obsessive interests, particularly anime, manga or video games.- Etymology :Otaku is derived from a Japanese term for another's house or family , which is also used as an honorific second-person pronoun...

, or those who hate them, Sailor Steve can also refer to any man who participates in cosplay

Cosplay

, short for "costume play", is a type of performance art in which participants don costumes and accessories to represent a specific character or idea. Characters are often drawn from popular fiction in Japan, but recent trends have included American cartoons and science fiction...

 as a female character.

In Lethargic Lad

Sailor Steve first appeared in Lethargic Lad #3. He frequents the trendy coffee shop, and Infantito city. He is an expert on Japan, even more so than some Japanese, especially about toys, movies, animation, and television. He is meant to be a satire on otaku in general.

Beyond Lethargic Lad

Few people actually know about Lethargic Lad, but many know all about the term Sailor Steve which is slang for any man who participates in cosplay as a female character, especially at Anime conventions, such as Otakon

Otakon

Otakon is a fan convention in the United States focusing on East Asian popular culture and its fandom. The name is a portmanteau derived from convention and the Japanese word otaku...

. Sailor Steve may also refer to a specific person who dressed as Sailor Moon at one of these conventions, and gained notoriety on the internet as people distributed his picture to one another.