Rebecca

Rebecca is the titlural main character of Rebecca's Adventures.

Physical appearance
Rebecca is a dog.

Personality
Rebecca is a kind, positive dog, who does not hesitate to try to make people feel better.

Despite Rebecca's nice-ness, she is also capable of pure sarcasm and snark, which can often be offensive.

However, Rebecca is also quite the explorer type. She loves adventures, quite possibly explaining the title of the series.

Trivia

 * She is not the rabbit from Peppa Pig.