Here are some notable meme coins under $1 that could potentially make you a millionaire by 2025:

**Bonk (BONK):** BONK is a meme token on the Solana blockchain, often dubbed the Dogecoin of Solana. It has become popular as a fun, community-driven project. Unlike other meme coins, BONK is also used in gaming, NFTs, and DeFi.

**Book of Meme (BOME):** BOME is a Solana-based meme token aiming to be a hub for internet memes. It has quickly gained popularity since its launch and is considered one of the top meme tokens.

**Floki (FLOKI):** FLOKI is a multi-chain token compliant with ERC-20 and BEP-20 standards, operating on both the Ethereum and BNB Chain blockchains. Users can swap FLOKI tokens between chains via atomic swaps. Floki Inu is known for its metaverse games like Valhalla and its NFT portal.

**Pepe (PEPE):** PEPE is a deflationary meme coin on the Ethereum blockchain, inspired by the "Pepe the Frog" meme by Matt Furie, which was popular in the 2000s.

**Shiba Inu (SHIB):** SHIB is a meme token built on the Ethereum blockchain, inspired by the Shiba Inu dog breed. It is seen as an alternative to Dogecoin.