1. Mario, Donkey Kong, Pauline. There is more you know, you forgot enemies
2. Super Mushroom
3. A.
4. No
5. Fireball (from Donkey Kong game)
6. Technically A, but Kiddy's Japanese name is Dinky Kong
7. c
8. Grass (you took my idea for that question!)
9. B
10. A
Confirmed games:
Mario Kart 3DS
Super Mario 3DS
Paper Mario 3DS
My ideas:
Yoshi's Island 3DS (see my ideas for that game on the topic)
Donkey Kong Country 3DS
Mario Party 3DS
Super Smash Bros. 3DS
Wario: Master of Disguise 3DS: The Return of the Zephyr!
Donkey Kong Racing
Mario Baseball 3DS