"I've made you all sandwiches...Here you are, Ron...no, they're not corned beef..."
     -- Molly Weasley

"Arthur! Arthur, what are you doing?"
     -- Molly Weasley

Molly Weasley is Arthur Weasley's long-suffering wife. She is an excellent cook and an expert at managing a busy household. 

Molly has her hands full dealing with the shenanigans of her sons. She is particularly at odds with the twins, George and Fred, who she does not think are measuring up to their potential as they mess around with creating joke wands and trick sweets. She has had arguments with them on numerous occasions. At one time she even derstroyed a stack of order forms they had put together to sell some of their inventions. Even her oldest son, Bill, can get on her nerves with his long hair and fang earring. Molly is particularly fond of her son Percy, who is serious and follows rules to the letter--in other words, he causes her no grief.

However, it is abundantly evident that Molly loves her family very much. Her motherly affection particularly extends to Harry as well, and she also warmly includes Hermione into their circle. When Harry and Hermione visit the Burrow, the Weasley's home near Ottery St. Catchpole in Devon, they are part of the family. She fixes sandwiches for the boys on their trip on the Hogwarts Express (although she tends to forget that Ron doesn't like corned beef) and sends all her children a "Weasley jumper" [US: "Weasley sweater"] every Christmas, hand-knitted in various colors (although she tends to forget that Ron doesn't like maroon). She can also make her influence felt even over the long distance between Scotland and Devon: she's not afraid to send a Howler when it's called for (CS.

Molly's hair is probably red, although it never actually says so. She is a short, plump woman, but when she's angry she can seem to tower over even her tallest of sons.

Molly reads Witch Weekly magazine "for the recipes." She was particularly impressed by Glideroy Lockhart for a time, until he was revealed to be nothing but a fraud who would have traded the lives of her son Ron and her daughter Ginny for his own sorry skin. Unfortunately, she didn't learn her lesson about not believing everything you read. When she read Rita Skeeter's nasty gossip about Hermione supposedly breaking Harry's heart, Molly treated Hermione badly until she realized her mistake.

Molly Weasley is clearly a mother figure for Harry. She comes to Hogwarts to visit him when he is a Triwizard champion in place of his aunt and uncle. She fusses over him and takes care of him and worries about him all the time. 

Molly is a very capable witch in her own right. She is one of the "old crowd," a groups of witches and wizards who are faithful and devoted to Albus Dumbledore. Molly is clearly a force to be reckoned with, not only for the errant Daily Prophet reporter who wants a good story about the reports of a flying car (she tells them to clear off or she'll set the family ghoul on them), or for her sons, who cower before her wrath even as they tower over her, but also for those who want to see Voldemort rise to power again. Dumbledore talks to her not as a silly housewife who gets a bit giddy about Lockhart but as a friend and ally. It would be a mistake to underestimate Molly Weasley.