Edited sentence: Jack Chis are recognized for their perky ears, expressive eyes, and a personality that can be both energetic and affectionate.The Jack Chi is a canine hybrid resulting from the intentional crossbreeding of a Jack Russell Terrier and a Chihuahua.They are a popular choice among pet owners looking for a loyal and compact companion.This breed combines the characteristics of both parent breeds, exhibiting a small but lively and spirited disposition