Henry Edwards, 66, was known locally as the Mini Man because he slept in his Mini car next to the A477 roundabout near Kilgetty.
Dyfed-Powys Police found his body on 28 November.
Flowers have been left, and dozens of tributes have been made to him on social media.
A spokesman for Dyfed-Powys Police said: “Our thoughts remain with the family at this difficult time.”
Suggestions are being made on social media for ways to commemorate the man being referred to as a “Kilgetty legend”.
It is believed that Mr Edwards chose to live in the open air for more than three decades after some close family members died in a house fire.
He was often seen riding an old pushbike on the main roads between Kilgetty and Pembroke Dock and Tenby.
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