Demomonkey

The demomonkey is a tower that throws grenades on the track, and they explode after 2 seconds, after some upgrades, it gains other attacks. This tower has the same range of a 0/0 glue gunner, costs $800, and the explosion range of the granades are the same of the 3/X mortar tower. Like the monkey apprentice, it can use multiple attacks.

Upgrades
Path 1:

Mine launcher-$575/650/775, Launches mines that explodes when a bloon touches on it

Rocket launcher-$800/950/1100, Launches missiles that pop 2 layers of bloons.

More gunpowder-$1000/1250/1475, Every explosive projectile gains more 35% of more explosion range.

Gatling bomber gunner-$15000/17500/20000, ads a powerful nuclear bomb launcher and fires 4x times faster!

Path 2:

Faster firing guns-$350/500/800, the tower attacks 1.5 times faster (stacks up with Gatling bomber gunner)

Bloontonium bombs-$900/1075/1200, the tower now can damage every type of bloon! Even camo bloons.

Sonic bomb-$1200/1500/1750, the tower's projectiles have 55% chance of stunning bloons for 2 seconds.

Cluster grenades-$6000/7500/9000, changes nothing but adds a new ability: Grenade cluster, effect: grenades will appear on every place that has a bloon. Cooldown: 45 seconds.

Other details
Explosions Range:

Mine launcher: X/2 bomb tower

Rocket launcher: X/3 monkey sub

Gatling bomber gunner's nuclear bomb: 4/X Mortar Tower.

Minor detail:

The tower gains guns depending of the upgrades.

Trivia
This tower is a reference to the Demoman from TF2.