Life half sleeve - left hand arm - family and mythical monsters

This is what a business in United Kingdom was looking for in their tattoo design

I am looking for a 1/2 or 3/4 sleeve (must look cool with rolled up shirt sleeves but hidden with sleeves rolled down). I am 40, caucasian, English, i like tattoos which are highly detailed to draw the eye. Ideally i want to have my family represented, i have my wife whose nickname is Squid, my nickname is badger, my son is the bear and my daughter is the monster baby. Names are Anne, Rob, Theodore and Matilda respectively. I am a slim guy so i do have fairly thin arms, one concern i have is the tattoo making my arm look very thin which i want to avoid.
My extended family are my parents and 3 brothers (younger) who are also very close to me. I have always liked mythical creatures too. I have always liked the style of tattoos which show nature as a backdrop i.e forests or the sea. I love the sea and ships. I also love space and sci fi. Family tree tattoos can look great too. Perhaps the tentacles could become a timeline? I was born in 81, my brothers were born in 82, 9… Read more