
"Hope", by Shepard Fairey, 2008 —
This poster by American artist Shepard Fairey immediately went viral after its release. It "brilliantly captured the country's need for optimism and hopefulness after eight dismal years of George Bush II," according to Carol Wells, the founder and executive director of the Center for the Study of Political Graphics.

"Occupy", by Shepard Fairey, circa 2011 —
Countless people have appropriated Fairey's "Hope" poster for their own political purposes, including the Occupy Wall Street protest movement, which began in September 2011.

"Adopt", by Shepard Fairey, 2009 —
Fairey himself even used the style for causes he supported outside of politics, including animal rights.

"Bernie So Punk", by ABCNT, 2016 —
LA-based street and sticker artist and DJ, ABCNT, used this striking poster to lend his support to Democratic Party candidate for U.S. President, Bernie Sanders, in 2016.