Finn

''"Time to pop some bloons." ''Finn, Bloons Adventure Time TD

Finn (from Adventure Time) is the first hero that you unlock in Bloons Adventure Time TD. He attacks with a sword and has a short range. He is unlocked in the tutorial grassland level "Bloons!". His upgrades consist of making his attacks quicker, making attacks stronger, and other stuff. He costs $300 on every game mode.