Joshua Rush, who made waves as Disney Channel's first openly gay character on the network's comedy-drama "Andi Mack," is speaking up about his own sexuality.
"First to respond to this tweet is bi lol," the 17-year-old tweeted on Tuesday, before responding to his own message: "First! I win! It's me. I'm bi. And now that I've said that, I have a few things to rant about. There are more important things to talk about than me liking a bunch of genders, but I do want to share a few things with you guys."
Rush referenced his on-screen character, Cyrus, who came out to his friends as gay in a February 2019 episode of the show: "How ironic, isn't it, that me, playing that character, never had mustered up that courage?"
The actor admitted that he "suffered with some level of my own internalized homophobia even while playing the first openly gay character on Disney Channel," adding, "I stuffed the existential crisis of talking about my sexual orientation into a box in my mind for years."
Disney Channel actor Joshua Rush
Disney Channel actor Joshua Rush
ANDI MACK - Disney Channel's "Andi Mack" stars Joshua Rush as Cyrus Goodman. (Mitch Haaseth/Disney Channel via Getty Images)
ANDI MACK - "Cookie Monster" - The critically-acclaimed series "Andi Mack" will present a story arc on gun safety in two new episodes airing FRIDAY, NOV. 16 and FRIDAY, NOV. 30 (8:00-8:30 p.m. ET/PT), on Disney Channel and DisneyNOW. (Disney Channel via Getty Images)JOSHUA RUSH
ANDI MACK - "One in a Minyan" - Andi, Buffy and Jonah support Cyrus as he sits Shiva for his grandmother but Bowie's homemade kugel dish is a shanda. This episode of "Andi Mack" airs Friday, Feb. 8 (8:00 - 8:30 P.M. EST) on Disney Channel. (Fred Hayes/Disney Channel via Getty Images)
SOFIA WYLIE, PEYTON ELIZABETH LEE, JOSHUA RUSH, ASHER ANGEL
DISNEY CHANNEL FAN FEST - Disney Channel Fan Fest, a unique experience for kids, families and more than 50 Disney Channel stars, took place today at Disney California Adventure park. Throughout the exciting day, thousands of kids and families enjoyed Q&A sessions and "meet and greets" with Disney Channel stars. (Image Group LA via Getty Images)
PEYTON ELIZABETH LEE, JOSHUA RUSH
LOS ANGELES, CA - MARCH 14: Joshua Rush arrives for the Los Angeles Special Screening Of BYUtv's New Series "Dwight In Shining Armor" held at Pacific Theatres at The Grove on March 14, 2019 in Los Angeles, California. (Photo by Albert L. Ortega/Getty Images)
LOS ANGELES, CALIFORNIA - MARCH 23: Joshua Rush attends Nickelodeon's 2019 Kids' Choice Awards at Galen Center on March 23, 2019 in Los Angeles, California. (Photo by Alberto E. Rodriguez/WireImage)
WEST HOLLYWOOD, CA - OCTOBER 28: Joshua Rush attends Asher Angel's 16th Birthday Party Celebration at Blind Dragon on October 28, 2018 in West Hollywood, California. (Photo by Jesse Grant/WireImage)
CULVER CITY, CA - OCTOBER 28: Joshua Rush attends the Elizabeth Glaser Pediatric Aids Foundation's 30th Anniversary - 'A Time for Heroes' Family Festival held at Smashbox Studios on October 28, 2018 in Culver City, California. (Photo by JB Lacroix/WireImage)
HOLLYWOOD, CA - OCTOBER 28: Joshua Rush attends the Actor's Funds 2018 Looking Ahead Awards at Taglyan Cultural Complex on October 28, 2018 in Hollywood, California. (Photo by Michael Tullberg/Getty Images)
ANDI MACK - Disney Channel's "Andi Mack" stars Asher Angel as Jonah Beck, Peyton Elizabeth Lee as Andi Mack, Joshua Rush as Cyrus Goodman, and Sofia Wylie as Buffy Driscoll. (Mitch Haaseth/Disney Channel via Getty Images)
WEST HOLLYWOOD, CA - AUGUST 28: Actor Joshua Rush attends Variety's annual Power Of Young Hollywood at The Sunset Tower Hotel on August 28, 2018 in West Hollywood, California. (Photo by Paul Archuleta/FilmMagic)
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Rush took the opportunity to encourage his followers to donate to GLAAD, noting that the organization has been helpful to him in understanding himself, and the Trevor Project, which is "literally saving lives every day."
After fans tweeted their support, Rush responded to several of the comments. "Can I be bi too?" one jokingly wrote.
"You cannot I'm sorry I own this entire orientation now, hate 2 do it 2 em," he replied.
In addition to his role on "Andi Mack," which aired its series finale earlier this summer, Rush hosts "News In A Rush," a brief weekly video recap of the latest in politics and international affairs.