Finding a main

I have been trying to find my main for a while now. I tried doing for a while. And after a solid few days he's ok. I recently started picking up jungling and after trying some of the characters in free rotation the 2 champs that stuck out to me most were and . But when I go into the store I find other interesting looking champs like and . This is kinda a problem for me as I want to main a champ that intrests me yet doesn't suck when I actually play them.