The small one is Olimar, the smaller ones are Pikmin. Olimar has returned in Smash Bros. with his helping Pikmin. He is a Tricky character and his main elements are Fire, Thunder and Darkness.
Standard Special: Pikmin Pluck. Olimar will pluck a Pikmin in this order: Red Pikmin (great strong, Fire element and Fire immunity), Yellow Pikmin (high launch, Thunder element, Thunder immunity), Blue Pikmin (higher health, can swim, Water immunity), White Pikmin (the fastest and the lightest, Darkness element, Darkness immunity) and Purple Pikmin (the slowest and the heaviest but the strongest and high health). Olimar can have only three Pikmin following him.
Side Special: Pikmin Throw. Olimar will throw the first Pikmin who he gets.
Up Special: Winged Pikmin. Two Winged Pikmin carry Olimar and his Pikmin. If you don't have Pikmin, Olimar can fly higher.
Down Special: Pikmin Order. Olimar whistles and the far Pikmin return. Olimar also change the first Pikmin and he is invulnerable for a little time.
Final Smash: End of the Day. Olimar and his Pikmin go into the Hocotate Ship and fly away when some monsters bites and hurt the opponents. Then the ship will return exploding. Olimar and the Pikmin inflict about 50-60% of damage.
Special Ability: Pikmin. Pikmins cling on the opponents and attack the enemies. Purple Pikmin can't cling.
Meet him in Story Mode or complete Event 4: Expert Gardener.