Knockdown (Armada)
From MediaWiki

Knockdown is a Mini-Con from the video game version of the Unicron Trilogy.
Knockdown is one of many power-enhancing Mini-Cons scattered across Earth. A member of the Green Mini-Con Team, when Powerlinxed to a larger Transformer, Knockdown can generate a powerful EMP blast that disables enemies' systems, leaving them vulnerable.
Fiction
Transformers Playstation 2 Game
Knockdown's Mini-Con storage panel was discovered in the Deep Amazon, in a small set of ruins west of the Sun Temple. Following the defeat of Megatron, he and the other Mini-Cons returned to Cybertron and helped form the Matrix Cannon, Nemesis Shield and Vanguard Booster, giving the Autobots the power needed to destroy Unicron.

