Leo

This emoji is often used on social media to represent someone's zodiac sign or to reference the characteristics associated with the Leo sign.

According to Emojipedia, the Leo emoji was approved as part of Unicode 1.1 in 1993 and has been a part of the standard emoji set since then. It is a popular emoji, ranking 28th in the list of most used emojis on Twitter in 2020. It is also commonly used on other social media platforms like Instagram, Facebook, and Snapchat.

The age group most likely to use this emoji would be millennials and Gen Z, as they are the most active on social media and are more likely to be interested in astrology and zodiac signs.

This emoji is not considered rude, as it is simply a representation of a zodiac sign. However, as with any emoji, it can be used in a sarcastic or teasing manner depending on the context of the conversation.

In terms of its history, the Leo emoji has remained relatively unchanged since its inception in 1993. However, with the rise of astrology and zodiac sign popularity in recent years, this emoji has become more widely used and recognized.

In conclusion, the Leo emoji represents the zodiac sign of Leo and is commonly used on social media to reference this sign and its associated characteristics. It is a popular emoji among millennials and Gen Z and is not considered rude. Its history dates back to 1993 and it has remained a consistent part of the standard emoji set.