The 'Is This A Blank' meme, also known as 'Is this a pigeon?', stems from a 1991 scene in the Japanese anime 'The Brave Fighter of Sun Fighbird.' The protagonist, an android named Yutaro Katori, incorrectly identifies a butterfly as a pigeon while trying to learn about nature. The image first surfaced on Tumblr in 2011 but saw a massive resurgence in 2018 across Twitter and Reddit. It is widely used to satirize moments of profound confusion or to mock someone for making a blatantly incorrect assumption about a situation.