ShadowMachine

Background
ShadowMachine is an animation and production company founded by Alexander Bulkley and Corey Campodonico, formed in 1999.

1st Logo (February 20, 2005-July 16, 2007)
Visuals: Over a black background, the logo starts with the yellow highlight "SMF" with the word "SHADOWMACHINE FILMS" below it. We can see what appears to be a road in the letters, then everything fades to white.

Technique: Superimposed live action.

Audio: The sound of the car revving, or a screeching sound.

Availability: Seen on seasons 1 and 2 episodes of Robot Chicken and Moral Orel.

2nd Logo (August 12, 2007-October 2, 2015)
Visuals: On a black background, there is a turning letter "S" on the disk with the rectangular outline around it. Under the disk is the word "SHADOWMACHINE".

Variants:
 * On Titan Maximum, season 1 of Mary Shelley's Frankenhole, and season 5 of Robot Chicken, the logo is slightly darker.
 * On Hell and Back, the parts of the disk and the letter "S" are spinning around for making it shine, segueing into the opening sequence of the movie.

Technique: CGI.

Audio: A distorted electric guitar noise.

Audio Variant: On Hell and Back, machine sounds are heard.

Availability: Seen on seasons 3-5 of Robot Chicken, Titan Maximum, Mary Shelley's Frankenhole, and later episodes of Moral Orel. This logo was brought back on Hell and Back.

3rd Logo (April 2, 2014-)
Visuals: On a black background, there are the letters of "SHADOWMACHINE" flipping in and trembling, while the outline of it briefly appears and trembles as well.

Variant: A still variant exists.

Technique: CGI.

Audio: A whoosh combined with a jet-like sound, a deep humming noise or the closing theme.

Availability: This logo appeared on their shows like Greatest Party Story Ever on MTV, as well as BoJack Horseman, season 1 of Tuca & Bertie on Netflix and Human Discoveries on Facebook Watch.

4th Logo (May 30, 2018)
Visuals: On a black background, there are the words "SHADOWMACHINE" in a different font with some spotlights being seen.

Technique: CGI.

Audio: The ending theme of the show.

Availability: It was only seen on Dallas and Robo.

5th Logo (March 20, 2021-)
Visuals: Over a black background, the logo starts with the backsides of the word "SHADOWMACHINE" with some exceptions. Then, the letters transform into the company name.

Variants:
 * Sometimes, the logo is enhanced.
 * A version exists where the animation is slower than usual.
 * The logo also sometimes shares the screen with other respective company logos.
 * On Guillermo del Toro's Pinocchio, the letters are made out of wood.
 * On season 2 of Clone High, the letters are all white.
 * On In The Know, the background is white and the logo is against three horizontal blocks, colored, , and black. The first two cover the syllables of "SHADOW" while the black side covers all of "MACHINE".
 * On their website, the logo animates the same but is stylized differently. A purple light can be seen, the letters are outlined, and particles can be seen flowing.

Technique: CGI.

Audio: The sound of the letters and a slashing sound, a whoosh-like sound, the closing theme of the show, or none.

Availability: Seen on the final season of Final Space, Little Demon and season 2-3 of Clone High. Also found at the beginning of Guillermo del Toro's Pinocchio. Can also be seen on their website.

6th Logo (June 13, 2021-)
Visuals: Over a black background, the logo starts with the word "SHADOWMACHINE" from the 3rd and 5th logos appearing with a slash effect, then it goes away.

Variant: A still version exists where the logo is in silver instead of being slashing.

Technique: CGI.

Audio: A slash sound, the closing theme of the show or none.

Availability: Seen on the second season of Tuca and Bertie on Adult Swim, Ten Year Old Tom on HBO Max and the NBC special 5 More Sleeps 'til Christmas.