Mine are B.C., like you, reminds me of a timeline!
O.D. would be worse. Mine are boring D.L.M.
My oldest kid's are N.E.D. and for the longest time I couldn't figure out where they got the nickname Ned out of Nathan. I'm not smarter than a 5th grader.
Now he's n8.
not really LS
T .C. P.
Actually, MINE r VERY interesting!
R.D.H. Not very interesting.
my initials including my middle name spells CAB