I'm 23 years old....Can i be a good at gymnastic???

i have flexibility, my body is acceptable to do some gym. moves as i'm into breakdancing, but i would like to start learning Gymnastic officially so ater 3 or 4 years i can do the moves that Gym athletics do on TV...Is this possible, i have strong will i'm sure i can, but is this possible? did anybody do it?