Meme Coins are cryptocurrencies based on popular culture and memes. Here are some of the most notable ones:

1. **Dogecoin (DOGE)**: Started as a meme coin based on the image of the Shiba Inu dog, it has gained massive popularity and has become one of the highest-cap cryptocurrencies.

2. **Shiba Inu (SHIB)**: An alternative to Dogecoin, it focuses on building a strong community around it and has received significant support from investors.

3. **SafeMoon**: It has gained widespread popularity due to its rewards system that encourages investors to hold the coin.

4. **Floki Inu**: Named after Elon Musk’s dog, it has gained popularity from enthusiastic communities.

5. **Hoge Finance**: A meme coin that combines meme humor with decentralized finance concepts.

Remember that investing in cryptocurrencies, especially memes, can be risky. It is important to do your research and understand the market well before making any financial decisions.