Tank Grunt

Tank Grunt is the eldest son of General Buzz Grunt and Lyla Grunt. He is the older brother of Ripp Grunt and Buck Grunt, both of whom he's distant from. Tank is the General's only son that wants to join the Military career, like his father did. Tank is the only teen in Strangetown that doesn't have any friends.

Life leading up in The Sims 2
He would like to be like his father some day; Tank follows his footsteps, wanting a job in the Military career to impress General Buzz, and they have a good relationship. Tank's also part of the feud against the Smith Family; he's enemies with Johnny Smith and wants to win a fight with him.

Life leading up in ''The Sims 2 (Game boy advance)
Tank appears as an NPC who helps you and appears in episodes. He is also an adult in Game boy advance where else he is a teen.

Life leading up in The Sims 2 (Nintendo DS)
Tank appears in The Sims 2 (Nintendo DS) as a hotel guest. He is an adult and it is suspected his strange scarring is from a funny bone accident back in his military days.

Official Bio:
''Tank injured his funny bone in combat. This left him permanently without a sense of irony.''

Trivia

 * Tank is the only known sim to keep their eye colors, facial structure, and hair color the same in every game they appear in.