User blog comment:Michael Fox/Another thing/@comment-1175363-20091114231553

Witch = 115 lbs. Tank = 578 lbs. Boomer = 565 lbs. Smoker = 186 lbs. Hunter = 176 lbs.

That'd be my guess. Why is the Tank heavier than the Boomer? Cause muscle is heavier than fat (plus the Boomer seems like a balloon anyway.)