LOl i got super uber bored and created these and tested they work HOw to use. export the scratch spammer sprite to your computer. open and join your scratch chatroom. import this sprite and drag it to the position wanted. CLICK IT , type how many times and press enter: WHOAAA SPAMSPAMSPAMSPAMSPAMSPAM is repeated in the messages. Panther Spammer is for panther global online chatrooms. and works the same way
