Sonic the Hedgehog
Manga about a hedgehog boy named Nicky Parlouzer who can turn into Sonic the Hedgehog. Along with Miles "Tails" Prower, Sonic fights Dr. Eggman. Nicky has several friends in the "real world", including little John, his girlfriend Amy (a prototype/first incarnation of Amy Rose), and Charmy (a prototype/first incarnation of Charmy Bee). Nicky also encounters a lizard bully named Anton Beruuka with his little brother, Matt, and their pet, Mad. Nicky's family at home includes his mother, Brenda, his father, Paulie, and his little sister, Anita. (Source: Wikipedia)
Sonic World Adventure
New Sonic the Hedehog manga, based on the upcoming game, Sonic World Adventure (aka Sonic Unleashed).
Pandemonium: Majutsushi no Mura
A man who travels carrying a box on his shoulders, Zipher. When he collapsed exhausted, it was the inhabitant of a certain village, Domika, who rescued him. Against the opposition of other villagers, she lent her hand to him; but this village hides a big secret...!? (Source: Ikki-para)
Dash & Spin: Chousoku Sonic
Collection of several short stories, including omake (extra) koma stories, published as an anthology. The stories are often very slapstick. (Source: Wikipedia)