The TEE is a weapon.
The TEE can fuse with the AMDB to become the AMTEEC.Rumors said that The TEE is made of Slenderman's head.
The TEE is a small iron sphere that can turn to any objects, called the TEEOBJECTS.
It is revealed that the TEE has modes. The user needs to say a code to activate a mode. Each mode has different codes.
TEE Annihilation Mode: TEE becomes Genesect with the TEE as its head. Brian used it to kill Sub.
TEE-DEVICE-THAT-LET-ME-CONTROL-ELEMENTS (Used by Brian)
TEEBAG (Used by nar to make stuffs color gray)
Recently, Brian made a TEE 2.0, while Chrono updated his TEE to 1.9.