Jeremy

"You know Tom you and I 'aint so different, we both need a guy a like Ben to get what we want in this world. There's a big difference, I don't need to control Ben's mind to keep him working with me! Maybe, maybe not but we'll never know 'cause I'm moving into your place and you're moving into mine! Hey, partner let's say we flush him into the sewer!"

- Tom and Jeremy in Germinator 2: Zombies

Jeremy is a Germ who was enlarged by Ben that is the enemy of Talking Tom and Friends voice by Josh Fandem (Season 1 and 3) and Tom Kenny (Season 4) It infected Hank first with it's diseases. Then, Tom, Ginger and Angela were also effected. After Ben threw him in the bathroom, he came back to finally germinate Ben before Tom and the others set him back to normal. 2 seasons later, during the Glitch Apocalypse, Jeremy makes a deal with Tom to stay in his garage and gets thrown into the hole to separate the normal world and the SquareStack world.

Personality
Jeremy is evil (formely) and wants to infect everybody but during the Glitch Apocalypse, Jeremy wanted to stay in the garage with Tom and made a deal with him, and then he gets thrown into the hole to fix the world, so technically he was the hero of the episode.

Trivia

 * Jeremy is Absent in Season 2 although he was planned to before the decided to split Season 2.
 * Jeremy Only appears in 1 episode of Season 3.
 * Jeremy is the second non-human character created for the series, the first being Hank, and is the only non-human character who isn’t a main one.
 * Jeremy pronounces "garage" properly