The titular character of Doraemon. A prototype blue "cat robot" from the 22nd century that helps Nobi Nobita escape his doomed life in the future by turning him from a lazy boy into a responsible man.
He is a fat, short-sized robot. With height, weight, and other stats at 129.3 cm/kg, tied with his birthday in Year/Month/Day format (2112/9/3).
He has a round-shaped head. His body is blue, with white on his face and stomach. He has a red nose and a "tail" which is red ball placed on a thin wire. He wears a red collar with a yellow jingle bell. Because of his overall appearance he is often mistaken for a tanuki or a raccoon, which can makes him angry.
He has a "Fouth Dimension Bag" on his stomach in which he carries various gadgets from the future. Some gadgets are helpful, while some others are destructive (including an atomic bomb) despite the fact that he was originally build as a "Friend and Baby-Walker Robot".
He's brought home by Nobita's great-great-grandson, named Nobi Sewashi, as an "incomplete prototype robot" from a robot factory. Because of this, most of his basic features such infrared eyes and nimble cat feet do not function.
He is overly afraid on rats, mice, and anything similar because his ears were bitten by rats.
In contrast with rats and mice, he's very fond of dorayaki. He will occasionally get mad if he does not eat dorayaki for 2 or 3 days. He will do anything for dorayaki. Because of this, Nobita often bribes Doraemon with dorayaki in exchange for borrowing some gadget.
Because of his popularity in and out of Japan he was officially named by the Japanese government as a Cultural ambassador of modern Japan.
He is also portrayed by Jean Reno in several Toyota commercials, so you know he means business.