Instagram star documented his battle through cancer on his thewalkerpete account. He passed away in October 2016.
He was first diagnosed with Acute Lymphoblastic Leukemia in 2009. He began posting to his Instagram page in March 2016.
He gained more than 590,000 followers on Instagram during his cancer battle.
In July 2016, he posted an Instagram photo with his mother. He also wished his father a Happy Father's Day on Instagram in 2016.
He shared a birthday with former One Direction star Zayn Malik.
