In addition to content prohibited by our Community Guidelines, we also prohibit the following from use in emotes:
Vulgarity, such as obscene or explicit words, phrases, and gestures
Glorifying or encouraging violations of our Community Guidelines
Politics, including political phrases, symbols, and figures
Animations, except as supported by Animated emote and Cheermote submissions
Individual letters and characters
Partners are granted exception to this restriction so long as the letters/characters are a key element of their established logo or branding.
https://help.twitch.tv/s/article/emote-guidelines?language=bg 