1. Radioactive isotopes
2. Cauliflowers
3. Sombreros
4. David and Goliath
5. Phineas and Ferb
6. Death Stars
7. Mecca and Medina
8. Sodom and Gomorrah
9. Sonny and Cher
10. Salt and Pepper
11. Orange Juice and Toothpaste
12. Hashbrowns
13. Egg Salad (but you could call them deviled eggs)
14. Tom and Jerry
15. Statler and Waldorf
16. Bert and Ernie
17. Ken and Barbie
18. Mason and Dixon
19. Napoleon and Josephine
20. Hitler and Mussolini
21. Peanut Butter and Jelly
22. Fred and Wilma
23. Gumby and Pokey
24. Lady and The Tramp
25. Sherlock and Watson
26. Popeye and Olive Oyl
27. Cliff and Clair
28. Kim Jong Un and Kim Jong Il
29. Flotsam and Jetsam
30. Batman and Robin
31. Chip and Dale
32. Hamburgers and Fries
33. Macaroni and Cheese
34. Bonnie and Clyde
35. Movies and Popcorn
36. Simon and Garfunkel
37. Spongebob and Patrick
38. Scooby Doo and Shaggy
39. Peanut Butter and Chocolate
40. Chocolate and Vanilla
41. Hall and Oates
42. Calvin and Hobbes
43. Ben and Jerry
44. Mashed Potatoes and Gravy
45. Fish and Chips
52. Wayne and Garth
53. Jay and Silent Bob
54. Dr. Jeckyll and Mr. Hyde
55. Starsky and Hutch
56. Gilbert and Sullivan
57. Romeo and Juliet
58. The Blues Brothers
59. Cheech and Chong
60. Rodgers and Hammerstein
61. Dorothy and Toto
62. Andy and Barney
63. Sanford and Son
64. Dean Martin and Jerry Lewis
65. The Fox and the Hound
66. Clarissa and Ferguson
67. Mario and Luigi
68. Clarice and Hannibal
69. Pen and Paper
70. Rum and Coke
71. Dumb and Dumber
72. Zack and Cody
73. Salt and Vinegar
74. Vinegar and Honey
75. Oil and Water
76. Amon and Andy
77. Barnes and Noble
78. Barnum and Bailey
79. Bill and Ben
80. Bill and Ted
81. Black and Decker
82. Brooks and Dunn
83. Fact and Fiction
84. Hansel and Gretel
85. Jeeves and Wooster
86. Johnson and Johnson
87. Laurel and Hardy
88. Lenny and Squiggy
89. Lone Ranger and Tonto
90. Morecambe and Wise
91. Mutt and Jeff
92. Oscar and Felix
93. Parsley and Thyme
94. Romulus and Remus
95. Rosencrantz and Guildenstern
96. Sears and Roebuck
97. Samson and Delilah
98. Siskel and Ebert
99. Smith and Wesson
But then again, what do I know? Call them whatever you like!