1
Albedo
2
Malware
3
Aggregor
4
Kevin 11000
5
Kevin E. Levin
6
Highbreeds
7
Bad Ben
8
Ra'ad
9
Z'skayr
10
Vilgax
11
King Driscoll
12
Looma Redwind
13
Maltruant
14
Charmcasters
15
Eon
16
Attea
17
Esoterica
18
Bivalvan
19
Saul
20
Elena Validus
21
Khyber
22
Mad Ben
23
Bradley
24
Robot papa
25
The Yenaldooshi
26
Sixsix
27
Way Bad
28
Red knight
29
Naljian destructor
30
Pandor
31
Galactic gladiator
32
Retaliator
33
Sunny Tennyson
34
Psychobos
35
DNAliens
36
Mazuma
37
Commander Steel
38
Techadon robots
39
Nega Ben
40
Vulkanus
41
Dr. Viktor
42
Adwaitta
43
Sevenseven
44
Jennifer Nocturne
45
Enoch
46
Servantis
47
Sir George
48
Frightwig
49
Leander
50
Necrofridggians
51
Verdona
52
Dagon
53
Manny Armstrong
54
Phil
55
Argit
56
Rock monsters
57
Zombozo
58
Krabb
59
Kolar
60
Big Chill in that one episode
61
Ship
62
Dr. Animo
63
Subdora
64
Eighteight
65
Yetta
66
Dragon robot
67
Victor Validus
68
Ssserpent
69
The panuncian
70
King Chadwick
71
Helen Wheels
72
Psyphon
73
The bioids
74
Mad Rook
75
Darkstar
76
Trans-dimensional monster
77
Ragnarok
78
Exo-skull
79
Sunder
80
The mummy
81
Perplexahedron guards
82
Megawatts
83
Trash monster
84
Thumbskull
85
Acid Breath
86
Team fortress 2
87
Fistrick
88
Highbreed tree monster
89
Lucubra
90
Rojo
91
Palorfayg
92
Sir dagonetaas
93
The krakken
94
Azul and Amarillo
95
Benzarro
96
Inspector 13
97
Captain Kangaroo
98
Urien
99
S.A.M.
100
Jonah Melville
101
Zed
102
Seebik
103
charles
104
Simian
105
Time Beast
106
Milleous
107
Floraunas from xenon
108
Slix Vigma
109
Kuphulu
110
Hex
111
Gorvan
112
Nyancy-Chan
113
Octagon Vreedle
114
Solid Plugg
115
Rhomboid Vreedle
116
Lord Transyl
117
Bubblehelmet
118
Benevolon
119
Corvo
120
Rad
121
R.E.D.s
122
Mr and Ms. Mann
123
OTTO
124
Will Harange
125
Sublimino
126
Kenjo
127
Jungle Guardian
128
Highbreed supreme
129
Morgg
130
Sir Connor
131
Billy Billions
132
Cjüjo
133
Null guardians
134
Ahpuch
135
Plant Alien
136
Captain Nemesis
137
The limax
138
Impossible
139
Hulex
140
Pickaxe minions
141
Violet offenders
142
Decka
143
The Mycelium
144
Pa Vreedle
145
Fistima
146
Mizaru
147
Swift
148
The road crew
149
Thunderpig
150
Clancy
151
Mr. Beck
152
Tentacle soldiers
153
Squid monsters
154
Mister Jingles
155
Liam
156
The squires
157
Jarret
158
Ma Vreedle
159
Incursian soldiers
160
Suemongosaur
161
Strabismus
162
Tummyhead
163
Collectimus
164
Nanochips
165
Trumbipulor
166
Punchinello
167
Screegit
168
Sir Morton
169
Muroids
170
The tick
171
Pretty boy Vreedles
172
Synthroid
173
Kundo
174
Pinky and Missy
175
Minotoga
176
Conduit Edwards
177
Mayor Coleman
178
Cash and JT
179
King Xarion
180
Captain Kork
181
Sang Froid