Blocky comes from Battle for Dream Island, the YouTube animated series by Jacknjellify that began in 2010, where he is a red building block known for playing pranks on other contestants. That reputation turned him into a natural mascot for fan-made prank audio online. Fake phone call clips built around familiar characters spread easily on soundboards and short video apps because the setup needs no explanation. This version leans on Blocky's prankster image, so the call feels like a joke from the character himself rather than a random ringtone.