Sphinx San looks ready for a costume party haha.

Sphinx San profile neko atsume
Sphinx San profile

Physical characteristic: nemes headdress

Personality: king of quiz

Treasure: changed staff – a staff with a changed shape, when holding it an unfathomable feeling will come over you

Sphinx San treasure neko atsume
Sphinx San treasure

Sphinx San basically just comes to hang out in the pyramid:

Sphinx San pyramid neko atsume
Sphinx San pyramid