From the Super Mario Wiki
Friendly Floyd is a salesman and recurring character from the Super Mario Adventures comic.
Friendly Floyd first appears when Mario and Luigi arrive in Yoshi Village, where he has been trying to sell items such as toothbrushes and light bulbs to the Yoshis, which they have no use for. He explains to the brothers that Bowser has kidnapped several of the villagers and sealed Yoshi himself in an egg when he attempted to fight back. Mario tries to hire him as their translator for the Yoshis, but Floyd declines, instead selling them "ACME's Yoshi Language Learner" for 3,000 coins. The Mario Bros. claim it is a rip-off, so he lowers the price to 10 coins since they were friends of Yoshi (the book, however, reveals that every word and phrase translates to "Yoshi").
In a later part, Floyd appears in Princess Toadstool's dream, in which he is the priest marrying the princess to Mario.
Mario, Luigi, Yoshi and Toad run into Friendly Floyd again while he is trying to sell lipstick to a Piranha Plant. He tries to sell his new makeup line to the group, which instead gives Luigi the idea to impersonate Princess Toadstool and give himself up to Bowser to save Mario. He also supplies bombs to the group, and tries to sell medical supplies to the Koopalings as Yoshi defeats them. After the tower is blown up and everyone lands in the forest, Friendly Floyd parts with the group again.
He is last seen at Bowser's wedding, selling automatic cameras to guests.
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