We have, in the past, conjectured that they might well be related. Both have the ability to cook toast just by breathing on the bread and have a way of speaking to one on the phone that causes one's ear to get frost bite.
You know the expression "If looks could kill" ~ we are convinced they are possessed of that power, tho' as yet neither has put it fully to the test. Comparing notes we discovered that they do specialise in glances that can cause a man's scrotum to shrivel faster than an ice cold shower.