I

I is a character who first appears in the Alphabet Attack episode "Climbing Up the Top".

"Climbing Up the Top"
I tells to J how he was born, I later competes on the Pooping Poopers along with J.

his team wins

"The Cold Wave"
I fails to win as P accidentally makes a structure of pure white caramel syrup, causing him to be UFE.

"Terrible Math Questions"
I gets an answer wrong, but his team wins.

"A Christmas Special"
I opens up a present, but his team loses.

Description
I is a person who really doesn't know a lot of things.

I normally makes /i/, like ea in meat.

he also makes /ɪ/ like i in big.

Trivia

 * I is one of the only two letters with a dot as their head, the other one is J.