Canine Companions and their Halloween costumes

These puppies-in-training for Canine Companions for Independenceare named Prue II and Atkins II. They 're the fourth and fifth training dogs raised by their family! (Lindsay Scheer)

Service dog Aslan (whose name means “lion”) dressed up as, appropriately, a lion. Jeanne McArdle (not pictured) and Aslan and have been a team since Feb 2013. (Jeanne McArdle)

Ready for takeoff! Banks, seen here in pilot mode on Halloween 2016, is now a Skilled Companion working with his partner.  (Betsy Knight)

It’s Whooville in the hospital! Lorelei, Mary Ashlyn (handler), Erica had a blast with facility dog Barboza. (Jennifer Williams)

Bauer II is going as a beautiful pink Butterfly… (Kathy McLamb Odom)

… while puppy-in-training Carly II dresses as a spider.  (Emilia Broce)

Cassius, meanwhile, is going as a lion — a popular choise for service dogs, as we'll soon see. (Natalie Abbott)

Because, because, because, because, because … of the wonderful things these dogs do! Puppies-in-training Digby went as a lion, while Gabby went as Dorothy down the Yellow Brick Road. (Dave Lasker)

Dusty IV masqueraded as a skunk for Halloween. (Elaine Towne May)

Canine Companions "change of career" dog Dutton IV went as a little lamb. (Linette Martino)

Puppy-in-training Flurry shows off her take on Minnie Mouse. (Kathy Edmiston Knox)

These two are devilishly good — Bob Fliegel and his Canine Companions for Independence service dog Hardy as the devil and the devil dog. (Sarah Haber Fliegel)

Molly as a Pikachu took her Skilled Companion Jerry out trick-or-treating as a Pokeball. (Catherine Polka)

And they're off! Jerry has also dressed as a horse, complete with a little jockey on his back. (Catherine Polka)

Kasta, a big fan of the Georgia Bulldogs, was recently selected to be a Canine Companions for Independence breeder. She’s seen cheering her with her pal "Cat Stevens." (Oopsie Daisy Hill)

No tigers or bears but… here’s pup-in-training Kasten.  (Emily Bracken)

This is Canine Companions for Independence service dog Knight. He goes trick-or-treating with his partner Shannon Bain, and likes to hold her basket. (Shannon Bain)

Canine Companions for Independence pup-in-training Mario II went as ‘Mario’ and his buddy Buckley, a released CCI puppy, joined him as Luigi. (Kimberly Furino)

Ain’t no cowardly lion here! It’s a lioness — I mean pup-in-training Mia.  (Pam McDonald Recchio)