Killer

Killer is a stray dog that was found on Grandma Thora's porch. It is unknown who her original owner was, but Grandma Thora is her current owner.

Personality
Since the dog has spent so much time in the pound, without a real home, she became aggressive towards other dogs. She scared D.W. when D.W. startled her in the kitchen when they first met. Pal and Amigo were once afraid of her after she bit them. When Grandma Thora decided to keep Killer, she told her she needed to be nice to her grandchildren and other dogs if she wanted to stay with her. The other dogs were still weary of her however. Her reputation was saved when she rescued Nemo from a tree by barking at some firefighters on a rainy day.

Her debut in the books was at the same time as Grandma Thora, but she isn't introduced on the TV series until season 9. It is unknown how she became Grandma Thora's dog in the books at this time.

Appearances
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Arthur

 * Season 9
 * It Came From Beyond
 * Season 13
 * Paradise Lost
 * Season 14
 * The Long Road Home
 * The Great Lint Rush
 * Season 15
 * Buster's Garden of Grief
 * Season 16
 * All About D.W.
 * Season 17
 * Show Off

Books
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 * Arthur's Christmas (1984)

Trivia

 * Lint makes her tongue itch, according to "The Great Lint Rush."
 * her parents were dog show winners
 * didn't mention about her siblings

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