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ThunderCats Encyclopedia - Lion-O
ThunderCats Encyclopedia - Profile header
Origin: Thundera
Group: ThunderCats
Strengths: ThunderCat strength and agility, also possesses the Sword of Omens which contains the Eye of Thundera
Weaknesses: Early lack of maturity due to spending developmental years in suspended animation
ThunderCats Encyclopedia - Weapons & Accessories header
Weapons: Sword of Omens, Claw Shield
Accessories: Red Cloak
ThunderCats Encyclopedia - Sword of Omens and Claw Shield

ThunderCats Encyclopedia - Character Overview header

The hereditary Lord of the ThunderCats, Lion-O is the son of Claudus, the ruler of Thundera at the time of its destruction. Initially a boy stuck in a man’s body, the years saw Lion-O develop the wisdom and skills needed to lead the ThunderCats on Third Earth, and later lead the rebuilding of his home world of New Thundera. Lion-O can be quick to anger, and is impulsive and headstrong, but also possesses great moral values, at the forefront of those being the Code of Thundera – Justice, Truth, Honour, and Loyalty. Lion-O is fierce defender of freedom and a brave and noble leader, one that the other ThunderCats are proud to stand beside.


ThunderCats Encyclopedia - Appearances header

01. Exodus
02. The Unholy Alliance
03. Berbils
04. The Slaves of Castle Plun-Darr
05. Trouble With Time
06. Pumm-Ra
07. The Terror of Hammerhand
08. The Tower of Traps
09. The Garden of Delights
10. Mandora – The Evil Chaser
11. The Ghost Warrior
12. The Doomgaze
13. Lord of the Snows
14. The Spaceship Beneath the Sands
15. The Time Capsule
16. The Fireballs of Plun-Darr
17. All That Glitters
18. Spitting Image
19. Lion-O’s Anointment First Day: The Trial of Strength
20. Mongor
21. Return to Thundera
22. Snarf Takes Up the Challenge
23. Mandora and the Pirates
24. The Crystal Queen
25. Lion-O’s Anointment Second Day: The Trial of Speed
26. Safari Joe
27. Return of the Driller
28. Turmagar the Tuska
29. Sixth Sense
30. Dr. Dometone
31. The Astral Prison
32. Queen of 8 Legs
33. Dimension Doom
34. Lion-O’s Anointment Third Day: The Trial of Cunning
35. The Rock Giant
36. The Thunder-cutter
37. Mechanical Plague
38. The Demolisher
39. Feliner Part 1
40. The Wolfrat
41. Excalibur
42. Lion-O’s Anointment Fourth Day: The Trial of Mind Power
43. Secret of the Ice King
44. Sword in a Hole
45. Feliner Part 2
46. Good And Ugly
47. Divide and Conquer
48. The Micrits
49. Lion-O’s Anointment Final Day: The Trial of Evil
50. The Super Power Potion
51. The Evil Harp of Charr-Nin
52. Tight Squeeze
53. Monkian’s Bargain
54. Out of Sight
55. Jackalman’s Rebellion
56. The Mountain
57. Eye of the Beholder
58. The Mumm-Ra Berbil
59. The Trouble With Thunderkittens
60. Mumm-Rana
61. Trapped
62. The Transfer
63. The Shifter
64. Dream Master
65. Fond Memories
66. ThunderCats HO! Part I
67. ThunderCats HO! Part II
68. ThunderCats HO! Part III
69. ThunderCats HO! Part IV
70. ThunderCats HO! Part V
71. Mumm-Ra Lives! Part I
72. Mumm-Ra Lives! Part II
73. Mumm-Ra Lives! Part III
74. Mumm-Ra Lives! Part IV
75. Mumm-Ra Lives! Part V
76. Catfight
77. Psych Out
78. Mask of Gorgon
79. Mad Bubbler
80. Together We Stand
81. Ravage Island
82. Time Switch
83. The Sound Stones
84. Day of the Eclipse
85. Side Swipe
86. Mumm-Rana’s Belt
87. Hachiman’s Honor
88. Runaways
89. Hair of the Dog
90. Vultureman’s Revenge
91. Thundercubs Part I
92. Thundercubs Part II
93. Thundercubs Part III
94. Thundercubs Part IV
95. Thundercubs Part V
96. The Totem of Dera
97. The Chain of Loyalty
98. Crystal Canyon
99. Telepathy Beam
100. Exile Isle
101. Key of Thundera
102. Return of the Thundercubs
103. The Formula
104. Locket of Lies
105. Bracelet of Power
106. Wild Workout
107. Thunderscope
108. The Jade Dragon
109. The Circus Train
110. The Last Day
111. Return to Thundera Part I
112. Return to Thundera Part II
113. Return to Thundera Part III
114. Return to Thundera Part IV
115. Return to Thundera Part V
116. Leah
117. Frogman
118. The Heritage
119. Screw Loose
120. Malcar
121. Helpless Laughter
122. Cracker’s Revenge
123. The Mossland Monster
124. Ma-Mutt’s Confusion
125. The Shadowmaster
126. Swan Song
127. The Touch of Amortus
128. The Zaxx Factor
129. Well of Doubt
130. The Book of Omens