post a pic of an old anime character

Old anime character hmm Roshi-sensei from the Dragon Ball series he's 319 in the original and 331 in Dragon Ball Z.

them

Silvers Rayleigh from One Piece
He may be an old retired pirate, but he can still kick ass

Watari from Death Note!

Serizawa-san~!! ❤❤

Even among the high ages of the cast of Tenchi Muyo, Ayeka's grandmother Seto, the Devil Princess of Jurai, is old. She even looks it a little. According to the Tenchi Wiki, she's estimated to be 5,000 to 6,000 years old, while Ayeka is 717 years old (with 700 years in suspended animation).

Sebby, even though he doesn't look it

Tohru's grandpa