aestheticsymbols
Use in a combo

Black bishop copy & paste

♝ is black bishop, a plain-text Unicode symbol from the Miscellaneous Symbols block. On Aesthetic Symbols it lives in the charms & marks collection. As plain text it takes on the font and colour of wherever you paste it — a bio, a username, a caption or a stream title.

Unicode
U+265D
HTML entity
♝
CSS content
\265D
JavaScript
\u{265D}
UTF-8 bytes
E2 99 9D
Made of

U+265D ♝ · Miscellaneous Symbols

Will it show up? · Long-established text symbols

Plain-text characters from blocks that mainstream desktop and mobile fonts have covered for years. These are the safe ones.

Worked out from how each character is encoded, not from a test on a real device.