I'd rather have my name on the stone with the words
'Here lies this obnoxious tw*t a loving dad, grandad, great grandad and great great grandad, who stuck two fingers up at the world, said his last words, "fcuk the lot of you", and didn't leave us a penny the tight fisted sh*t.
Born 1970 Died 2099.
Sadly there is not enough space for that on the stone so a QR code could expand on that, "married 11 times with 30 children 70 grandchildren,142 great grandchildren and 221 great great grandchildren. Never spent a penny on birthday cards and died while on top of his 22 year old wife.
Not that would be a proper legacy.