1. Deformity
   1. Elephatiasis
   2. Elephant Man
      1. Joseph Merrick
      2. may have been caused by a combination of Neurofibromatosis (NF1) and Proteus Syndrome that affected his bones, skin and nervous system
   3. Proteus Syndrome
      1. tumor-like growths of skin and bone appear as those with this grow
      2. born without deformities
   4. Pretzel Syndrome
      1. Malformed skeleton, brain, and other organs; also electrolyte imbalance
      2. Polyhydramnios (an excess of amniotic fluid) of mothers seems like the leading cause of this disease
   5. Progeria
      1. Accelerated Aging Effects
   6. Gigantism
      1. Brenden Adams
      2. Robert Wadlow
   7. Dwarfism
      1. Primordial
         1. Collagen
   8. Winged Cat
   9. Double Muscle
      1. Wendy the Incredible Whippet
      2. myostatin-related hypertrophy
      3. ?Uberboy born in Germany
   10. Speech Disorder
       1. KE family
       2. Foreign Language Syndrone
   11. Split Brain
   12. Magnetism
       1. Lightning Man
          1. Roy Cleveland Sullivan
       2. Angelique Cottin
       3. Jennie Morgan
          1. Sedalia, Missouri
       4. Caroline Clare
          1. Canada
       5. Inga Gaiduchenko
       6. Liew Thow Lin
   13. Electrosensitivity
       1. Allergic to Modern Technology
          1. Debbie Bird
   14. Strange Growths
       1. Wire growths
          1. NOORSYAIDAH
       2. Root Man
          1. Dede Koswara
       3. The Boy with a Tumor for a Face
          1. Novemthree Siahaan
          2. gigantiform cementoma
   15. Four Ears
       1. Yoda the Cat
   16. Multiple Legs
       1. 6-legged Deer
       2. Four-Legged Woman
          1. Myrtle Corbin
       3. Three Legged Man
          1. George Lippert
          2. had three legs and two hearts
       4. The Man With Three Legs
          1. Francesco Lentini
          2. legs were of three different lengths
          3. had an extra set of genitals
   17. No Legs
       1. the Half-Man
          1. Johnny Eck
   18. Inverted limbs
       1. Pony Boy
   19. Two Faces
       1. Baby girl in the rural Nagar district of Uttar Pradesh
       2. Edward Mordake "Poor Edward"
          1. face on the back of the head
       3. Chang Tzu Ping
       4. The Two-Headed Boy of Bengal
          1. head on top of other
   20. No Face
       1. Juliana Wetmore
       2. born without several face bones (but technically still has a face)
   21. True Hermaphroditism
       1. born with genital parts of both sexes
   22. Twins
       1. Parasitic
          1. Girl with Eight Limbs
             1. Lakshmi Tatma
          2. Twin in Stomach
             1. Sanju Bhagat
          3. Two Boys with One Head
             1. Len and Ernie
          4. Handsome, Healthy, Happy Hindoo
             1. Laloo
       2. Cojoined
          1. Abigail and Brittany Hensel
             1. appear as two heads on one body
             2. control muscles and feel sensations on their side of their body above the torso
   23. Mike the Headless Chicken
   24. Horns
       1. Lurch the Watusi Bull - Giant horns
       2. Cutaneous Horn
          1. Wang the Human Unicorn
       3. "Unicorn" the one horned roe deer
          1. nature preserve in Italy
   25. Werewolf Syndrome
       1. hypertrichosis
       2. Werewolf Boy
          1. Pruthviraj Patil
       3. Abys DeJesus
   26. Human-faced Koi Fish
   27. Proprioceptive Dysfunction
       1. Clumsiness
   28. Fish Odor Syndrome
   29. Maple Syrup Urine Disease
       1. suffer from maple syrup-smelling urine
       2. also experience poor feeding, vomiting, hypotonia and neurological decline
       3. if untreated, person will eventually get brain damage and die
   30. Skin Condition
       1. Skin Notepad
          1. Huang Xiangji
          2. artificial urticaria
       2. Blue People of Kentucky
       3. Blaschko's lines
   31. Constant Bleeding
       1. Twinkle Dwivedi
       2. clotting disorder
   32. Savant
       1. Daniel Paul Tammet
          1. Savant that isn't debilitated
          2. The Incredible Brain
       2. Orlando Serrell
   33. Perfect Memory
       1. AJ
   34. 5 year old mother
       1. Lina Medina
   35. Rubberboy
       1. Daniel Browning Smith
   36. Unusual Apitite
       1. Mister Eat-it-All
          1. Michel Lotito
       2. Can only stomach Tic Tacs
          1. Natalie Cooper
       3. Pica
          1. Urge to eat non-edible items
   37. King Tooth
       1. Rathakrishnan Velu
   38. Unsleeping Humans
       1. Thai Ngoc
       2. Rhett Lamb
   39. Pain Unsensitivity
       1. The Torture King
          1. Tim Cridland
   40. Cold Unsensitivty
       1. Wim Hof
   41. Permanent Sexual Arousal Syndrome
       1. Sarah Carmen
   42. Lipodystrophy (rapidy body fat usage)
       1. Mr Perry
   43. Allergic to Clean Water
       1. Ashleigh Morris
       2. Aquagenic Urticaria
   44. Uncured Hiccups
       1. Chris Sands
   45. Reflex
       1. Jumping frenchman disorder
       2. cataplexy
          1. Kay Underwood
          2. strong emotion causes dramatic weakening of muscles
   46. Xeroderma Pigmentosum
       1. no UV damage recovery
       2. must stay out of sun to live
       3. Abby Perkins-Banks
   47. Alien hand syndrome
   48. Moebius Syndrome
       1. lack of certain facial muscles
       2. cannot smile , frown, or exhibit many other facial expressions
       3. often sleep with opened eyes
       4. cannot move eyes to the side
   49. Eye
       1. Routine Eye Swell/Shuting
          1. Natalie Adler
       2. +/- Color Vision
          1. Super Color Vision
             1. tetrachromacy
          2. Color Blindness
             1. dichromacy
          3. brain damage
             1. Color blindness caused by BRAIN DAMAGE
             2. Cerebral achromatopsia
             3. Colorblind Painter
             4. Jonathan I.
       3. Crossed Eyes
          1. Strabismus
       4. Blepharospasm
          1. Uncontrollable blinking
   50. +/- Fingers/Toes
       1. Webbed Toe
       2. Polydactyly
          1. baby boy from Leizhou, Guangdong 16 toes
          2. "dragon girl" 12 fingers/toes
       3. Lobster Claw Syndrome
          1. Ostrich People of Zimbabwe
          2. ectrodactyly
   51. Pinhead
       1. microcephaly
       2. Zip the Pinhead
   52. True Human Tail