CHAR (Metroid Prime 3)

The CHAR format defines animated characters; it's the successor to the ANCS format from Prime 1 and 2, and the format is extremely similar.

Overlay
Overlays are external models that are skinned and attached to the rig for certain status effects, the layout simply consists of a FourCC value, a CMDL reference, and a CSKR reference.

ParticleResData
Particle Resource data is simply a list of particle systems that can be used with this character.

AnimationSet
The Animation Set saw the largest change from Metroid Prime 1/2, gone are Transitions and Half Transitions and AdditiveInfo, EVNT was overhauled, AABBs were moved from CharacterInfo, and Hitboxes were added.

EVNT
Not much is currently known about the actual structure of the new EVNT format, so much of the structure is a complete guess.