Riolu is a Fighting type baby Pokemon introduced in Generation IV. It evolves into Lucario when leveled up with high friendship during the day. Take a look below for 23 awesome and fascinating facts about Riolu.

1. Riolu is a small, blue, canine Pokemon.

2. It has black legs and torso, a blue tail, and a yellow collar. 

3. It has rounded bumps on the backs of its forepaws.

4. It has a black “mask” and red eyes.

5. It stands on its toes instead of its entire foot.

6. It is sensitive to a special type of energy called Aura; however, It does not have the ability to fully use these powers, although it can still emanate these waves to communicate and sense them, albeit only in ripples.

7. It has developed two black appendages that hang down from its head, which rise when Riolu reads or manipulates aura, a special energy that it senses.

8. Like almost all Fighting-type Pokémon, Riolu naturally has superhuman strength, stamina, and endurance and is capable of making long journeys on foot in a short amount of time.

9. It is a playful, energetic, and loyal Pokémon.

10. Due to Riolu’s combination of Abilities, Steadfast can only activate in Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness and Pokémon Mystery Dungeon: Explorers of Sky if Riolu becomes cross-eyed, barring being confronted with a foe that has Mold Breaker.

11. When Riolu became a starter in Pokémon Mystery Dungeon: Explorers of Sky it became the first starter Pokémon to be unable to be recruited or captured in another game of its trio as it cannot be found in Explorers of Darkness without using Wonder Mail.

12. Riolu is the only baby Pokémon that evolves into a Pokémon capable of Mega Evolution.

13. Riolu is also the only baby Pokémon introduced after Generation II that can be bred without requiring one of its parents to be holding an incense.

14. Riolu appears to be based on the Egyptian god Anubis, who has the head of a jackal. It may also be based on a raccoon due to the mask-like markings on its face and its small pointed ears.

15. Riolu debuted in Pokémon Ranger and the Kidnapped Riolu! Part 1 and Part 2. It had been trained to use Aura Sphere and was unnaturally strong. It was taken away from the lab by J’s henchmen that wanted to exploit it but Ash and his friends returned it to its kingdom, with Kellyn’s help. In the process, Riolu developed a strong bond with Ash.

16. A Riolu appeared in Goodbye, Junior Cup – Hello Adventure!, under the ownership of Cameron. It evolved into a Lucario in Cameron’s Secret Weapon!. It tends to walk outside of its Poké Ball.

17. Korrina’s Riolu, currently a Lucario, appeared in Mega Revelations! in a flashback.

18. A Riolu appeared in the boss fantasy of A Lean Mean Team Rocket Machine!.

19. A Riolu appeared in Meloetta’s Moonlight Serenade as one of the Pokémon watching Meloetta’s concert.

20. Two Trainers’ Riolu appeared in Alola to New Adventure!, with one appearing in a flashback.

21. Two Trainers’ Riolu appeared in A Shocking Grocery Run!.

22. A Trainer’s Riolu appeared in That’s Why the Litten is a Scamp!.

23. A Trainer’s Riolu appeared in Racing to a Big Event!, where it participated in the Pokémon Pancake Race.