From Season 2 onwards, numerous incidental Mixels designs appear as background characters to represent the other Mixels of a tribe besides the main three to six. None of these Mixels appear in LEGO sets.
Named incidental models
Concept art by Miranda Dressler, depicting various incidental character designs
Incidental 1
Incidental #01 is a model that debuted in The Quest for the Lost Mixamajig, utilized by three characters.
Incidental 2
Incidental #02 is a model that debuted in The Quest for the Lost Mixamajig, utilized by two characters.
Incidental 3
Incidental #03 is a model that debuted in The Quest for the Lost Mixamajig, utilized by two characters.
Incidental 4
Incidental #04 is a model that debuted in The Quest for the Lost Mixamajig, utilized by four characters.
Incidental 5
Incidental #05, or the Soda Machine Inc. is a model that debuted in The Quest for the Lost Mixamajig, utilized by two characters.
Incidental 6
Incidental #06, or the Dentist Patient is a model that debuted in The Quest for the Lost Mixamajig, utilized by three characters.
Incidental 7
Incidental #07 is a model that debuted in The Quest for the Lost Mixamajig, utilized by three characters.
Incidental 8
Incidental #08 is a model that debuted in The Quest for the Lost Mixamajig, utilized by two characters.
Incidental 9
Incidental #09 is a model that debuted in The Quest for the Lost Mixamajig, utilized by three characters.
Incidental 10
Incidental #10 is a model that debuted in The Quest for the Lost Mixamajig, utilized by two characters.
Incidental 11
Incidental #11 is a model that debuted in Every Knight Has Its Day, utilized by one character. It bears some resemblance to Incidental 1.
Incidental 12
Incidental #12, also referred to as Kid #01, is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 13
Incidental #13, also referred to as Kid #02, is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 14
Incidental #14 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 15
Incidental #15 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 16
Incidental #16 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 17
Incidental #17, also referred to as Kid #06, is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 18
Incidental #18 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 19
Incidental #19, also referred to as Kid #08, is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 20
Incidental #20 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 22
Incidental #22, also referred to as Kid #11, is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 23
Incidental #23 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 24
Incidental #24 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 25
Incidental #25 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 26
Incidental #26 is a model that debuted in Nixel, Nixel, Go Away, utilized by two characters.
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Incidental 27
Incidental #27 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 28
Incidental #28 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 32
Incidental #32, also referred to as Big Kid #01, is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 33
Incidental #33 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 34
Incidental #34 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 35
Incidental #35, also referred to as Big Kid #04, is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 36
Incidental #36 is a model that debuted in Every Knight Has Its Day, utilized by one character.
Incidental 37
Incidental #37 is a model that debuted in Every Knight Has Its Day, utilized by two characters.
Incidental 38
Incidental #38, also referred to as Big Kid #07, is a model that debuted in Every Knight Has Its Day, utilized by one character.
Teacher
The Teacher's model debuted in Every Knight Has Its Day, utilized by two characters. Its incidental number, if any, is unknown.
Infernite Incidental
The Infernite Incidental is a model that debuted in Nixel, Nixel, Go Away, utilized by one character. Its incidental number, if any, is unknown.
Frosticon Incidental
The Frosticon Incidental is a model that debuted in Nixel, Nixel, Go Away, utilized by two characters. Its incidental number, if any, is unknown.
Other models
Glowkies
Three similar Glowkie Bats debuted in Mixel Moon Madness.
Other Mixels
Various unique models were utilized by different characters, along with unknown, if any, incidental numbers.
Mixies
Five uniquely-designed Mixies were meant to be building challenge focuses on the LEGO website. However, only two were released and given official names.
Other
A recoloured lower half of a Mondo Mix, dubbed Mr. Ius, appeared in The Quest for the Lost Mixamajig.
Trivia
- These Mixels are the first minor characters to be completely uniquely designed.
- However, numerous background characters share designs with each other (for example, Astroy and Scrud), with the only difference being color swaps for their respective tribes. Most of these characters are for very small roles.
- The Munchos have the most seen background Mixels.
- The Weldos and Medix are the only tribes to have no seen background Mixels.
- The majority of these characters are either children or based on jobs that normally wouldn't have main characters filling them.
- The Wonderful World of Mixels had various pieces of Concept art images of background characters that did not make it into the final cut.
- In audition, the Travel Guide storyboards contains numerous background characters that also did not make it into the final cut.
- As seen in Nixel, Nixel, Go Away, some background Mixels have erroneously been seen more than once.
- Some of their voices are inconsistent, as they change between specials, such as Squiddo for example.
