As the Rank VIII in Organization XIII of Kingdom Hearts, he is quite impressive and outstanding among other members. Yes, he is the badass Axel, the Flurry of Dancing Flames and the Nobody of Lea. In addition, KH Axel has some similarity with another famous game guy, Reno from Final Fantasy VII, especially the bright red hair. Hence, cosplay Axel is one of the most popular ideas for people to be imposing and eye-catching.
In terms of this Kingdom Hearts character, he wears the Organization XIII black cloak, black gloves and boots, the bright red spiky hair extends to shoulders makes him quite noticeable and distinctive. KH Axel is a tall and slim guy with fair skin tone.
In one word, this badass Axel cosplay would make girls and boys a recognizable and popular cosplayer all the time.