The Zero-Width-Joiner allows for some really strange things: https://blog.emojipedia.org/ninja-cat-the-windows-only-emoji/ https://blog.emojipedia.org/ninja-cat

The Zero-Width-Joiner allows for some really strange things: https://blog.emojipedia.org/ninja-cat-the-windows-only-emoji/ https://blog.emojipedia.org/ninja-cat-the-windows-only-emoji.... One can basically achieve an unlimited number of emojis by concatenating the current ones.