Chat in Cult of Randomidiot666.
Some joke or other, I ran out of ideas.
Morningstars can turn into serpentine creatures, like snakes or dragons. Sirius's favourite is a Basilisk, and it is said that he carries traces of that in his eyes. If he glares at you in his base form, you might turn to stone or die.
IT'S MY BIRTHDAY, BIRTHDAY SHARK
MOTHRA ATTACKED ME ON ARTFIGHT