Exceptional, individual, unique, interesting, admirable...
To embody and represent these concepts, you explore yourself, the world, learn, go through lots of different difficult events, become experienced and competent, learn to think and talk...
Doing dumb stuff like tattoos, dying your hair in bright colors, getting piercing, behaving stupidly, smoking, using alcohol or drugs, or any other useless behavior will never make you stand out or unique!