Trade name!

every one

so i am posting hope that one of you might help me in answearing this questions that i have.

i know some of you might worked in something like that . and therfore i am looing forword to your help.

i am planing to creat a trade name form my small studio that will start with me and my brothers for now .
we are planing to work on short comics - short games - and short movies.

but we dont know what is best for our vission.
trade name or trade mark … or maybe there is something else we are missing.

also we want to creat something enternationaly so guiding us to a trusted site so we can establish our needs in protecting our projects would be really amazing

so what do you advise us, and what should we do as a first step.

looking forword for your answears and help …