Pokemon, Sonic X Recommendations
Both of them are based off of a video game and they are both about a boy who learns more about his animal type friends and they both have alot of action in them.
Both anime are based on famous video game franchises and focus on a young boy and his animal companions, who embark on a quest. Both show the main characters making new friends and fighting their foes t reach their goal. Both have similar mood and humor, and are targeted to the same audience (aka young children).