Geegant

The Geegant is one of two known Krukadon species. The smaller of the two, the geegant is capable of making short hops towards your Pikmin, eating up to three at a time. Pikmin must be thrown on its head to flip it over, allowing it to be attacked.

In Pikmin: Guardian
In Pikmin: Guardian, geegants spend their time burrowing. In fact, you never actually see the whole creature. It buries itself as far as it's neck (if it has a neck) moving rather quickly toward your pikmin. It is the boss of two caves, in one it is alone, in the second there are three of them. It is highly dangerous (unless it is alone) and should be treated with extreme caution. Purple Pikmin or Orange Pikmin are suggested.

Pikmin X: Deep Freeze
Geegants in Pikmin X: Deep Freeze behave like a combination of both their past incarnations. They mostly appear in the Unfamiliar Valley as moderately threatening enemies. It visibly burrows through the ground on the prowl for food and will emerge when approached, followed by it hopping towards Pikmin to try and gobble them up. Like in Shadows of the Future, it can only be attacked if it is flipped over by a well-thrown Pikmin onto its back; when it gets back on its feet, it scatters the Pikmin away by burrowing into the ground for a moment before reemerging. If left alone, it will return underground.