Jehovah
LORD (Jehovah) — the covenant name; the premortal Christ
And the LORD was with Jehoshaphat, because he walked in the first ways of his father David, and sought not unto Baalim; 2 Chronicles 17:3–5
Because Jehoshaphat sought Jehovah and kept His commandments, the LORD was with him and established his kingdom. The premortal Christ blesses those who follow Him.
AttestedJehovah — the LORDA divine name
How we know: Jehovah is the premortal Christ (Abraham 1:16; D&C 110:3–4)