Final answer:
In certain Tower Defense games, the enemies are known as 'Blooks'. These are the units that players must defend against by strategically placing towers or units to prevent the blooks from reaching a designated area.
Step-by-step explanation:
The enemies in Tower Defense games are often called different names depending on the specific game you're playing. In the question provided, you seem to be asking about a particular game where the enemies have a specific name. The correct answer is b) Blooks.
Blooks are the characters or units that you must defend against in the game. They come in various shapes and sizes, and each type of blook may have its own unique characteristics or abilities that make them more challenging to defeat. The goal in Tower Defense games is typically to strategically place defensive structures or units along a path to stop the blooks from reaching a certain point on the map.