Nerdfighter

The experiment birthed the Nerdfighters, a nebulous group of self-described superhero geeks who follow the exploits of John and Hank Green religiously, and who claim to be “made of awesome” rather than flesh and bone.

Source: wiktionary

John Green is possibly best known for Vlogbrothers, the YouTube channel he shares with his brother Hank. Together they have formed a large community of so-called Nerdfighters (note that Nerdfighters are not people that are against nerds but are in fact people who are for nerds). […] Twelve-year-old Xander Wiersema is an avid reader, gamer and Nerdfighter living in Victoria.

Source: wiktionary

With the help of his brother, he is rallying Nerdfighters everywhere with the battle cry of "raising nerdy to the power of awesome."

Source: wiktionary

When lead actors Shailene Woodley and Ansel Elgort arrived, one 20th Century Fox executive was heard saying, “We could have filled Yankee Stadium” with Nerdfighters — the nickname of supporters of the pro-intelligence and good-deeds agenda of Green and his brother, Hank Green. […] “The Fault in Our Stars” producer Wyck Godfrey, known for his role as producer for four “Twilight” films, said Nerdfighters are making their presence felt.

Source: wiktionary