The Mystery Cartoon Character Game, ongoing.

Wow, I'll really have to look this one up.

Grokk, I almost have this one, but not quite. "Six family members at once" almost points to the Romanov family of Czarist Russia, which would make the villian Grigory Rasputin. Except there were seven Romanovs, not six.

And thank you to everyone that remarked on my clue-giving. I know that it'd make things easier to specify species from the outset when cluing about a non-human character. However, in my defense, spelling out "cricket" leaves only three notable examples: Jiminy, Cri-Kee, and the one on 34th Street. And yes, they still sell caged crickets in China as lucky charms. Actually, they sell crickets here in the United States, as well, but as tarantula food.

Nope, keep looking--there will be more clues tonight if no one gets it.

A classic! This is Lawyer Goodwill, seeking to exterminate Porky and his kin in Frank Tashlin's The Case of the Stuttering Pig (1937)

Indeed, peterhale. You've hit the nail on the head. It is Lawyer Goodwill from "The Case of the Stuttering Pig"--which is indeed a classic.
1. Lawyer Goodwill--That's definitely a deceptive name.
2. Goodwill drinks some Jekyll and Hyde juice, and there is a frightening transformation scene--but not until the second try. This is a cartoon after all.
3. As peterhale already mentioned, Goodwill is after Porky and his five siblings' (One of which is Petunia) family fortune--which will go to him if something were to happen to them. It's a good thing the guy in the third row is looking after them.

Here's one I am duty-bound to run up the flagpole...

1) I am on a special mission for Queen and Country.
2) My ugly exterior belies my honest nature, to the disappointment of a barmaid.
3) My movie is a mash-up.

Once again, I can't figure this one out for now. I'll see what I can find.

More clues, then...

4) I am in pursuit of JWW, a Harley Street practitioner.
5) He has stolen something that he plans to sell to a buccaneer leader.
6) A very British affair, although the director hailed from the New World.

Aha! The answer is Dick Deadeye. Incidentally, I never saw this movie, as it never played in my hometown.

It is indeed Dick Deadeye, from the movie of the same name!

1) The film begins with a prologue in which Queen Victoria makes Able Seaman Dick Deadeye her special agent, charged with apprehending the Sorcerer, who is selling secrets. [I rather think that this scene was added afterwards, to make the plot clearer, as the story would seem to begin with Dick Deadeye overhearing the Sorcerer telling the Pirate King that he had stolen the Ultimate Secret, and then rushing off to inform the authorities.]
2) Rose Maybud, working as a barmaid at the Queen's Nose, dreams of reforming a wicked man and thinks Dick might be the one "if he's as Evil as he is Ugly". But he is not.
3) Of Gilbert & Sullivan operettas, that is! Characters and songs from about seven different shows are reworked into a new plot.
4) John Wellington Wells, the Sorcerer.
5) The Ulitimate Secret, to the Pirate King.
6) Designed by Ronald Searle, and animated in London, it was directed by Mexican-American Bill Melendez, who, though better known for the Hollywood studio that produced the Peanuts films, also had a studio in London, run by his son Steve.

Not the greatest of films, I'll admit - and the complexity of Searle's drawings resulted in some stilted (and sometimes unreadable) animation - but a bit of fun on a wet afternoon, as long as you are not a serious G&S fan!

Well skewered, Emeraldisle. To you the point and turn...

Thanks, Pete. Time now for a true no-brainer:

1. I live inside an enchanted household object.

2. I wear a turban.

3. When my ugly friend becomes a hottie, I react in the usual way, leave my humble abode, and chase after her!

The genie in the magic mirror from "Broomstick Bunny"

Right with a capital R, Glowworm. The Mirror Genie, it most certainly is! All clues are self-explanatory, so you have control of the board again. Good job.

Thanks. Always loved that short.

1. I am an unlucky gambler.
2. I seek a talisman to cure my unlucky streak.
3. The talisman I want in particular belongs to someone trying to prevent me from getting it.

The answer is Steve Brody from Bowery Bugs.

Yes it is Steve Brody.
1. Brody experiences a streak of bad luck.
2. He hopes a rabbit foot will help him out.
3. Obviously, he's trying to get one off of Bugs. Of course, Bugs makes sure this doesn't happen.

Okey Dokey...

Like Cinderella, I too am forced to work all day in my home.
I escape from my house and meet some unusual companions.
My friends and I travel in a very unconventional way.

I haven't a single clue. Someone else should know.

Three more.

I was terrorized by a rhino.
One of my friends lied to us and as a result, we became lost.
Then, we ran into pirates.

Still don't have it. Guess I'll have to look real hard.

Wow, you've flummoxed me good. At first, I thought of Snow White, castle drudge, who met those odd dwarfs. The dwarfs can ride on the forest critters, but perhaps only in cases of dire emergency. And Snow herself never does this so ... *Bronx cheer*. Now there's a charging rhino in the deal, then some pirates. Woof, I can't think of any cartoon with a rhino in it. Bill Holbrook's Kevin And Kell webcomic has Rachel Einhorn, a college roommate to Lindesfarne, and a rhino given to charging at unfamiliar things.

To misquote Ben Grimm: "It's brick-lobbing time!" I'll try Katara, from the Avatar Airbender series. Technically, Appa is a bison, six legs notwithstanding, but I've called him a moose, so ... he's a rhino under Artistic License - Zoology.