Olaf is pretty much unstoppable and fun af, Darius is hilarious if you know what you're doing, Gnar is the best top laner (imo) IF MASTERED, Jax is Freelo, Ryze is for midlaners who get stuck playing top, Yasuo is difficult at first, then easy, Garen is easy to learn, Renekton is very forgiving, Mundo is really really strong this patch, Shen is good at teaching you Map Awareness and helps you be more of a team player, I never really liked Malphite, but he's really good against certain team comps, Trundle is an unkillable little shit this patch, Gangplank is fun, Tahm Kench is so much fun to troll with, Quinn is for ADC players who get stuck top lane, (you must always scream "IM A BIRD" whenever you go in to get a kill, this is mandatory) Pantheon is really fun, Fiora's difficult to learn, but almost unstoppable if mastered, Wukong is fun, Rengar is actually a lot better top than people give him credit for, Sion is a train of pain, nuff said, Lulu is another mage toplaner who's actually really insane, Nautilus is tanky as hell while still having some of the most CC in the game, Nasus is amazing late game and also teaches you to CS, and Volibear is strong this patch as well, being very difficult to kill and also dealing craploads of damage. There are more than just these, but this is what I had off the top of my head.