gas guzzler, pea brain, ... .
Some examples of medieval names for places around the world include Constantinople (modern-day Istanbul), Londinium (modern-day London), and Byzantium (modern-day Istanbul).
Some well known modern day scientists are Stephen Hawking, Michio Kaku, and plenty others( please add some more).
Nelson Mandela....
The Matrix
a mailman
Some of the modern day allusions that the Greek god Zeus relates to an elderly man with with beards.
Some Black People...
bAlLs
to work the gun
There are many kennings that are applicable for love. One could call their partner a heart-jailer, a heart-brander, or a heart-smotherer.
the lifestyle in America is a modern day lifestyle.
your cousin's cousin's cousin i think