Tattoo advice?

right i can have a tatto for my 16th birthday so i want something to represent my mum n dad. i have an idea for my mum ino she loves lilys so im gettng tht on my left wrist. but for my dad im not sure so heres abit about him. hes a car macanic, p beter and sprayer, he is into fitness nbody building he used to do downhill biking until his crash tht fuked his arm up but its ok now , he has a tatto of an orb with fire round it in black n grey n he also has a chain tatoo round his left bicep when he was younger he was from a rough area and dint realy have a good education but all he wanted to du was car work n he sorta got lucky so he works his *** off. some memories i have is always on hoilidays he usta chuck me up realy high in water when i was little he tought me how to back flip into pools. so now u like no abit about him what would u recommed open to any sugguestions i was thinkin about having a similar 1 to his chain tatto on my wrist wrapped roud a thew times