She's supposed to be from the back, and the only reference for her I had was a picture of the prequel book cover. She looked exactly like that on the book cover.
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Justine is the mother of Scarface, and the mate of Hunter, she is carrying several cubs from the beginning of the story, she is one of the few blue foxes that lives in Farthing Wood. She is also good friends of Stout Fox and Vixen and Lean Fox and Vixen, and becomes much more caring with the birth of only one cub, Brave [Scarface]. She also had a son from another litter who goes by the name ëSoldier’ for being a fighter.
Her and Hunter had only two [living] cubs, Soldier from their first litter and Brave [Scarface] from their second litter. The other six were still-born, they apparently had died inside Justine’s womb half way through her gestation period. She is much like her mate [Hunter] when it comes to what she thinks of the otters, only she’d rather feed them to Brave after making them suffer than chasing them in front of a semi like Hunter would do.

Quick Weasel is the mother of Weasel, she is carrying Weasel at this time, but her mate, Lightening Weasel, was killed in an accident shortly before the story begins, leaving her to have to worry about her children by herself. Unlike her daughter, she is much more serious and well behaved, not smarting off during the worst situations, especially after the accident that claimed her mate’s life, she is commonly seen with talking with Sly Stoat.
Her mate was much like Measly, only he never would make smart remarks at all, during funny or serious times. Shortly after Quick Weasel found out she was pregnant with his offspring, he accidently wandered into a road just outside of Farthing Land and was ran over by a semi, the only witness to the death was Lame Otter, who told her about it, and she took the news very terribly. After that, she was always seen with Sly Stoat, she must be trying to use him as a replacement for her deceased mate, who died under the wheels of a semi thanks to Smooth Otter.

He is a good friend of Stout Fox and Vixen, but he is not related to them in any way. He is sometimes ëover-protective’ of his mate during her pregnancy and tells her to stay within the woods most of the time, and to stay away from the otters when she is alone, as they are ësmarter than she thinks some times’. He said that as he knows that they will often go for the stomachs with their claws and teeth if they suspect an animal is pregnant just to kill the unborn animals.
He was responsible for the deaths of Smooth Otter’s parents when they had tried hurting Soldier as a cub, he didn’t leave much remains or evidence of who did it, but Smooth and Sleek Otter knew that Lean Fox had killed them. But they never found out why he did it, they just said that he was a murderer because he was a Farthing Fox, and the fact that his mate has a grudge on Smooth Otter.
He stayed with Stout Fox and Vixen and the blue foxes of Farthing Wood when they had to leave the woods if they wanted to survive, he also was unsure about Long Whiskers and Lame Otter being with them considering the chance of them also carrying the disease, and the fact that Stout Fox caught it from something otters had been eating that she had eaten herself. He didn't want her offspring to become infected themselves and end up dying inside her or being stillborn.

The father of the stoat, he has a mate, but it is unknown if they have any children together. He gets rather snippy whenever he even hears mention of the otters, and is willing to fight them off if it means killing them if they come to close to his den, and the otters are known for stealing his kills [Shrews, Vole and Mice usually], which lead to his hate for the Otter Clan. He also says that Smooth Otter was the reason that Quick Weasel's mate was killed.
He is very protective of his good friend Quick Weasel, more so with the otters and after her mate’s death. From past events, he has proven that he would risk his life as long as she survives to have her offspring. She described Sly Stoat once as ëbeing like her second mate.’ His mate's name is Wily Stoat.
This is Jade:

She is the mother of the Farthing Wood Adder, and she had a mate, but he is was slaughtered brutally by Smooth Otter in cold blood shortly after she found out she pregnant with his snakelings. She was loving and care free before her mate’s murder, but became literally cold-blooded after his murder, killing Smooth Otter’s new born pups and his mate out of revenge. She behaves much like her daughter, being hard to get along with, and has more pride in herself than common sense, but she is also willing to save her friends when need be.
During her attack on Smoot Otter’s family, she nearly killed Smooth and Sleek Otter also, but they escaped when Smooth Otter’s mate jumped in the way of her bite, and they ran off before Jade could get them too. After that, her fate remains completely unknown to all the animals as she disappears after that...
Soldier:

He is a son of Hunter and Justine, he was born in their first litter, the only cub, his parents have a second litter, but only one cub is born to them [alive anyway], they name him ëBrave’ [Scarface] for his behavior around the otters of not showing any fear towards them. He is rather violent and hateful towards the otters, fighting and killing several pups as a cub, and that is how he earned the name ëSoldier’, he also kills many otters throughout the story for trying to steal his kills. Unlike his younger brother Brave, he’ll kill for any reason, defense, food, territory or just our of pure spite, which is what Hunter [but not Justine] likes about Soldier.
After Lean Vixen was attacked by the otters [including Smooth and Sleek Otter], he went on a killing spree, he killed at least seven of the Otter Clan before Hunter managed to stop him. None of the victims of Soldier were identifiable after his slaughter though, but it was believed that they were all a few of the ones that assaulted Lean Vixen. He tells Lean Vixen what he had done to them, and she thanks him for it.
She is a fan character, none of these other characters are. They are book characters or characters mentioned on the timelines of the book and tv series.

This is the younger Scarface (Brave).
The only son that was born alive to the second little of Hunter and Justine. He is named ëBrave’ for not showing any signs of fear towards the otters even when they surround him once, he kills two of them, which causes them to leave him alone after that. He rarely has outbursts of violence unlike his older brother Soldier does, having only killed two otters in his life, and he normally only kills for food or defense, not out of spite.
He slaughters Sleek Otter and ends up with a nasty scar and being mentally scared after he realizes what he has done, and decides that it is best if he leaves his family and friends to live alone, thinking that they won't want to see him again and he becomes know as Scarface after murdering Sleek Otter. He also wishes the most brutal deaths on Lady Blue and Lean Fox and Vixen.

He is the father of Scarface, and the leader of the blue foxes that live in Farthing Wood. He is nowhere near as bloodthirsty as Scarface was, and is actually friends to Stout Fox and Vixen and Lean Fox and Vixen. He got the name ëHunter’ from being one of the most skilled hunters in all of Farthing Wood. He could catch animals that were nearly impossible to catch such as rabbits, hares and otters. He only kills for food and self defense, not for sport or pleasure unlike is son Soldier.
Him and Justine had only two [living] cubs, Soldier from their first litter and Brave [Scarface] from their second litter. The other six were still-born, they apparently had died inside Justine’s womb half way through her gestation period. He was also friends with Sly Stoat, Quick Weasel, Lean Fox and Vixen, Jade and Timber. He never had much care at all for the Farthing Wood Otters, and he would rather have them all meet their end under the wheels of a semi, then having to share the woods with them.
When his son Brave goes missing after killing Sleek Otter, him, Soldier and Justine didn't want to leave the field they were at until he returned to them, but was soon convinced by Stout Fox to move on without Brave, who becomes know as Scarface from then on for a nasty scar that he received from Sleek Otter's claws.