Summer is a Blue Merle Border Collie from Cornwall who prominently appears in the 101 Dalmatian Street special "A Summer to Remember." In the episode, she meets the Dalmatian family after they arrive to Cornwall for vacation. She is good friends with Spike and Chips.
Summer serves as Dylan's love interest, though she is annoyed by Dylan's ignorance toward the locals of Cornwall. She shares many of Dylan's interests, including his love of stars, even pointing out the Dog Star pattern on Dylan's ear. She also helps Dylan save Dizzy and Dee Dee from possible danger in a nearby cave.
In "D-Factor," a stock background character using Summer's design appears, though it is unclear if the character is meant to be her. Unlike Summer, this character's fur is a faint tan color (with the lighting making it appear more gray).
