EGG

Appearance: an egg, when it is ready to attack it releases a yellow glow and sometimes when it is attacking someone it turns the color of the thing being attacked.

he was an egg from bfdi, but that was sometime Ago, he used to live in four (bfdi/Bfb)'s house as his pet , but he Escaped and now invades people's houses and is best friends with @Blocky

The color yellow and The color Blue , likes being agressive,
likes invading people's houses, likes water

Two from TPOT, The color green, mud, crumbled paper