Scritch

Kaninja is a character in the Yu-Gi-Oh! ZEXAL anime who is a Barian belonging to the Fearsome Four group.

Appearance
Kaninja is a man of small stature who wears ninja-clothing, including a cape, a sword and googles.

In his true form, he because a black insect-like humanoid with distictively round eyes with ripples.

Personality
Attributed to his insect motif, Kaninja dislikes big things, as such he's a firm believer that being bigger is not synonymous of being better. He also demonstrates certain pride on his Number which is diminutive in size but large in destructive power. Like the other members of the Fearsome Four, he's not above cheating on his duels. He has also shown to be somewhat of a prankster by cracking jokes.

Abilities
Kaninja has the ability to transform himself into a small mosquito. In this form he can fly and sting people, being capable of injecting an hallucinating poison that can make the victim believe the friend is the foe and vice-versa. Like other members of the Fearsome Four, he's capable of summoning a Barian Emblem in order to halve the Life Points of his opponents and add that value to his own.

Etymology
"Ka" means "mosquito".

Past life
Kaninja was once a human who worked with Mr. Heartland as a Dueling criminal until he died of unknown causes. He was later reincarnated as a Barian.

Legendary Number War
After Semimaru's failure to defeat Yuma Tsukumo and Kurage's failure to defeat Reginald Kastle, Mr. Heartland decided to send Kaninja to defeat Kite Tenjo. He then attacked Kite, Yuma, and Quinton and initiated a Duel with them.

Deck
Kaninja uses a Mosquito-themed Deck, focused on swarm tactics to quickly Xyz Summon "Number 2: Shadow Mosquito Ninja".