I so remember doing Bloody Mary! I was soo little. I have older brothers, so they would always tease me into doing it.
The way we did it was, spin around 3 times with the lights out and you would see bloody mary in the mirror and she would be very scary and all bloody! I don't think I actually ever did that, but I'm gonna say it's a myth.
& I never did the Candyman, but I remember the movies haha

Breathing in I feel gratitude; Breathing out I give thanks.
Breathing in I feel joyful; Breathing out I celebrate.
Breathing in I know compassion; Breathing I am compassion.
Breathing in I feel loved; Breathing out I offer love.
Breathing in I am still; Breathing out I am at peace.
Om.