Comedian and actress Ryan built a fanbase on social media editing and acting in her own videos which amassed millions of views aroud the world.
Fellow YouTubers and internet personalities, including ex-boyfriend Drake Bell, Perez Hilton and Michael Buckley, have mourned the loss of the star whose death has been ruled a suicide by hanging.
Comedian Chris Crocker and NBC Superstore writer Vanessa Ramos also paid tribute to the late star.
The day before her death, which the LA coroner's office ruled a suicide by hanging, Ryan posted a message expressing her grief over the loss of her grandfather.
“The man of my dreams will now only be in my dreams,” she tweeted. “I'll miss you everyday, forever. I love you my Pa.”
Ryan's most famous creations include the characters Little Loca and Sceney Sceneable, and her impressions of artists including Justin Bieber, Lady Gaga and Amy Winehouse saw US television producers hand her her own comedy sketch series on VH1 called Stevie TV.
For confidential support call the Samaritans in the UK on 116 123, visit a local Samaritans branch or visit their website.
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