Cheap and dependable alternatives to the Windmill Guy
Location: Windmill/Laundry Pool
Reason Insane: Looks freaky, talks weird, plays song over and over
Location: Hyrule Field/Clock Town
Reason insane: Always running, bound by schedule, wears bunny ears, trains himself by counting to ten
Old Research Guy
Location: Lake Hylia lab/Great Bay lab
Reason Insane: Looks incredibly freaky
Thigh-Slapping Bug Person/Banker
Location: Hyrule Market Town/East Clock Town bank
Reason Insane: Will buy bugs for fifty rupees, thigh slapping
??? (Toilet Dude)
Location: Stock Pot Inn toilet
Reason Insane: He lives in a frickin' toilet!
Happy Mask Man
Location: Happy Mask store, Clock Tower
Reason insane: Extremely creepy face, movements are cut, always maniacally smiling, have you seen him angry?
Sakon the thief
Location: Curiosity Shop, Ikana Canyon
Reason Insane: Lives in Ikana, frolics around like a fruit, tries to steal stuff (hey, that's one niiiiiiiiiiiiiice sword!)
That's all for now, use them as fat-free alternitives! Enjoy!