* Sonic and Amy: This is the most popular Sonic couple, and it has been featured in many official Sonic games and stories. Amy is a pink hedgehog who loves Sonic and constantly tries to win his heart. Sonic usually tries to avoid her advances, but he deep down has feeling for her too.
* Sonic and Sally: This couple was featured in the early Sonic the Hedgehog animated series. Sally is a squirrel princess who is the leader of the Freedom Fighters. She is very intelligent and resourceful, and she often helps Sonic defeat Dr. Eggman.
* Sonic and Blaze: This couple is popular among Sonic fans who enjoy the Sonic Rush series of games. Blaze is a pink hedgehog from another dimension who has the power to control fire. She is a strong and capable fighter, and she is a valuable ally to Sonic.
* Sonic and Tikal: This couple is featured in the Sonic Adventure game. Tikal is an echidna who lives on Angel Island. She is a kind and gentle soul who has the power to communicate with the ancient Chao.
* Sonic and Cosmo: This couple is featured in the Sonic X animated series. Cosmo is a plant-like alien who becomes friends with Sonic and the other Freedom Fighters. She is a kind and selfless creature who is always willing to help others.
Ultimately, the best Sonic couple is a matter of personal opinion.