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