The Person Cartwheeling: Dark Skin Tone emoji is a modifier sequence combining ? Person Cartwheeling and ? Dark Skin Tone. These display as a single emoji on supported platforms.
Person Cartwheeling: Dark Skin Tone was added to Emoji 3.0 in 2016.
U+1F938
U+1F3FF
?? Person doing cartwheel
?? Emoji modifier fitzpatrick type-6