Turns out when I found him (yes heβs a he, and he is a tortoise not a turtle π€¦πΎββοΈ) he was very very sick.
The RSPCA did, and is doing an amazing job.
βCousin Itβ is doing much better right now!
Since no one has claimed him or reported him missing, he is here to stay β€οΈπ’