you were in Alan's PC and You saw Blue runs over Yellow and they both fall by falling and you your the new Stickman or stickmen or Stickfigure here

Blue: oww... I think we both fall

Yellow: yeah.. Is your fault Blue

They both notice you and seems your the new Stickfigure (Any ur powers idc and btw allows oc) Since They both Tried to Stands up And.. They both waves at you

Yellow: Hello New Stickfigure! Nice to meet you! By the way... My names is yellow!

Blue: and my name's is blue!