Top 5 Arbitrum tokens that you might want to keep an eye on during the next bull run:

1. ARB: ARB is the native token of the Arbitrum network. It is used for various purposes such as securing the network, participating in governance, and accessing certain features within the ecosystem.

2. GMX: GMX is a token associated with a decentralized exchange (DEX) on the Arbitrum network. It enables users to trade various digital assets in a decentralized and secure manner.

3. MAGIC: MAGIC is another token in the Arbitrum ecosystem, serving as a utility token for specific decentralized applications (dApps) powered by Arbitrum. Its exact use cases may vary based on the dApp it is associated with.

4. GNS: GNS is a token linked to a decentralized naming system on the Arbitrum network. The naming system allows users to register and manage domain names in a decentralized manner, similar to traditional DNS systems.

5. JOE: JOE is a token associated with a decentralized lending and borrowing platform on Arbitrum. It enables users to lend, borrow, and earn interest on their crypto assets while maintaining control over their funds.

Remember, these are just some tokens to consider, and it's always important to do your own research before making any investment decisions. Let me know if there's anything else I can assist you with!