Barivel
Real pet · Guinness World Records: longest domestic cat living
Barivel is the Maine Coon that Guinness World Records records at 120 cm from head to tail on 22 May 2018 in Vigevano, Italy. Its February 2019 history names his owners as Cinzia Tinnirello and Edgar Scandurra. Guinness World Records: dated record history, February 2019.
That is a dated living-cat record.
Source review: . References are linked in the profile.