The first appearance of Jackie13355 was in Roblox SIZE obby.
About[]
Jackie13355 stood still in the middle of an obstacle, the floor was mostly filled with lava, but there was a pathway. Albert jumped on top of Jackie13355 and told him to go. Jackie13355, with Albert on top of him, jumped over lava which made Albert trip. Jackie13355 continued walking, but Albert accidentally pushed him, causing him and Albert to fall in lava.