Kate

Kate is one of the main characters in movie.

Biography
Kate and her mate were Molly's pet dalmatians, and went to Titanic with her. During the party, Kate and her mate shared link sausage and kissed. When ship hit iceberg and began sinking, Kate and her mate were sent away on one of the boats by Molly while she herself decided to remain on the ship and sing until the end. Molly died when ship sank, and Kate and her mate mourned her death. After Titanic incident, Kate and her mate were adopted by Angelica and William and ended up having puppies.

Trivia

 * Kate and her mate could be inspired by Pongo and Perdita from 101 Dalmatians.