The joker emoji display a joker card that is one of the cards from poker cards. This symbol is mostly used to portray a sense of mischief or playfulness. It is also sued to indicate someone or something creepy or evil.
NOTE: Joker was accepted in 2010 as part of Unicode 6.0 under the name “Playing Card Black Joker” and in 2015 labeled to Emoji 1.0.
🃏 Joker Card
🃏 Playing Card Black Joker
:black_joker: (Github, Slack)emojiemoji copy and pasteJoker Emoji