• English / United States: Cameron's Riolu
• Japanese / Japan: コテツのリオル
• Japanese (Romanized) / Japan: Kotetsu no Riolu
• Japanese (Trans) / Japan: Kotetsu's Riolu

Cameron's Riolu is Cameron main Pokémon and it resides outside of its Pokéball. It seems to be very relaxed in nature and is often seen imitating Cameron gestures. Cilan's tasting of it noted that even as a small grain, it's spicy and he sees it as quite a virtuoso.

Isshu League Higaki Tournament

Cameron's Riolu participated in the Isshu League Higaki Tournament. In the first round, Bianca was matched up against Cameron. The final match up of the battle was between Cameron's Riolu and Bianca's Emboar. It was pretty one sided as Bianca's Emboar was already pretty tired and it couldn't land any hits. It was able to grab its foot at one point and throw it hard but Cameron's Riolu landed on the ground upright. Cameron's Riolu defeated Bianca's Emboar and as a result Bianca was eliminated from the Isshu League tournament while Cameron advanced to the second round.

In the third round it was matched up against Kenton's Gigalith and defeated it which resulted in Kenton being eliminated from the tournament.

During the fourth round of the tournament against Ash Ketchum, it evolved into Cameron's Lucario.