Who is Takeshi Fumimota from Vineland and what is their importance?

Takeshi Fumimota is a Japanese insurance investigator who is on the run from a strange force when he stumbles into Brock Vond and is sent to meet DL Chastain, who gives him the ninja death touch. He is later attached to DL by the leader of the ninja commune that cures him of the death touch and goes into business as a therapist to Thanatoids. Takeshi becomes indebted to Zoyd Wheeler when Zoyd helps him escape capture and gives him a business card to use whenever he needs help. Zoyd passes the card on to Prairie and it eventually leads her to Takeshi and DL.