Here are some towers that I made just now.

-Pirate: Deals 4 damage at first level and has a range of 12. has an average fire rate.

-Sergeant : Increases fire rate and increases damage. Deals 2 damage when its Call-to-Arms ability is activated.

-DJ: Increases range and reduces tower upgrade cost.

-Snowballer: Throws snowballs that deal 2 damage and has a fast fire rate and has a range of 10.

-Recon Base: Spawns a truck every thirty seconds. Ignores defense and deals maximum damage on contact.