Wolgast 5'4" 135#
Coulon 5'0" 118#
Attell 5'4" 124#
Jeffries: 6'2" 225# In the paperweight and related photo I'd guesstimate Jeffries at around 250#-260#. He had ballooned as high as 300 before the Johnson fight.
Coulon used to pull this trick where he'd press on a nerve in your neck and then ask you to pick him up. It was impossible. He even made it into his business card (w/Jack Dempsey):
