He appeared alongside sister Hayden twice, in Disney Channel’s Tiger Cruise and The Forger.
A cause of death is unknown at this time, butTMZ reportsthat foul play is not suspected.
“The world has lost a brilliant artist in the passing of Jansen Panettiere.
Jansen Panettiere at a Los Angeles event in 2015.Credit: Matt Winkelmeyer/Getty Images
In the latter, he voiced Truman X, the super-smart scion of a spy family.
Jansen appeared alongside Hayden twice, in the 2004 Disney Channel original movieTiger Cruiseand the 2012 straight-to-DVD filmThe Forger.
He also voiced the younger version of the zebra inRacing Stripes, which starred Hayden in the lead role.
Jansen and Hayden apparently maintained a strong sibling relationship.
“Not the first haircut she’s tried to give me,” he wrote.
“This is one of my personal favorites,” he wrote in the caption for his last post.
