I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Rubye from Season 5:

Pet profile:
Rubye has five pets! Count 'em: a dog, a bird, a cat, and two fish. She even trained her dog Emma to beg on her hind legs! Okay dogs do not beg—we just whimper a little.

Nicknames:
Rukanuba, Rubert, Rub-Rub, Rubsu, and Rubbie

Sibling status:
Rubye has an older sister.

Favorite foods:
One of Rubye's favorite things to eat are her grandmother's pickles. Mmm, nothing like home-pickled treats from Grandma.

Superhero persona:
Rubye would like to fly AND be in two places at once. Her top-secret...

I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Marc from Season 5:

Pet profile:
Marc has two guinea pigs, two fish, and an 18-pound cat named Fluffy who likes to drink out of toilets. (Blossom would not approve.)

Most favorite subjects:
Language arts and math

Nickname:
One of his teachers started calling him "Marcski" and then all the kids at school did, too. Good thing he likes it!

Hobbies:
Marc plays video games, collects comic books, surfs, swims, and likes to dance.

Future invention:
Marc wants to invent an inexpensive machine to filter seawater and turn it into drinkable...

I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Marco from Season 5:

Pet profile:
Marco has three dogs and four cats. He claims one of his dogs will eat anything! Okay, one liver and pineapple biscuit shake to go!

Sibling status:
Marco has an older sister, stepsister, and stepbrother.

Nickname:
Frongi, because it's part of his name

Food facts:
Some of his favorites are Italian wedding soup, his dad's pizza, and broccoli. But don't give him spicy food unless you have a fire extinguisher handy!

Hobbies:
Video games, building things, skateboarding, acting, and listening to...

I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Jay from Season 5:

Pet profile:
Jay's dog is named after rock star Lenny Kravitz! And his cat Mittens is named after... a pair of mittens. Naturally, only the pooch gets the rock-star treatment.

Most favorite subjects:
Computers, math, and science

Family matters:
Jay is an only child. He's also the godfather for his cousin's baby! Impressive.

Hobbies:
Playing guitar, learning how to build Web sites, and sailing. Plus he's the lead singer in a rock band! Ooh, can I get an autograph?

Special talents:
Jay is a really good cook...

I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Emmie from Season 5:

Pet profile:
Emmie has a dog named Biscuit who is an expert at the trick "paw." Biscuit whacks Emmie with her big furry paw, which is Biscuit-speak for "Hug and pet me, please." Awww. Emmie also has two cats, but they don't do any tricks (big surprise).

Most favorite subjects:
English, drama, and science

Nickname:
You already know it—Emmie! Her real name is Emeline.

Hobbies:
Athletic Emmie plays soccer, squash, softball, and swims. She also loves to explore out in nature.

Special talents:
She likes to...

I got this from the "Fetch! With Ruff Ruffman" website. Here's all the info on Shreya from Season 5:

Hobbies:
Shreya plays piano, saxophone, and an Indian instrument called a veena. She also likes rocking out with her rock collection!

Sibling status:
She has a younger sister and brother.

Nickname:
Her friends call her Shrella Cinderella because she loves animals and sings a lot, just like the fairy tale princess! Hmm, is that a pumpkin carriage I see parked outside?

Say what:
Speaks Tamil (an Asian language) and knows Latin, too.

Special talents:
Shreya ain't nothing but a Chihuahua dog... She can entertain...