Skel-E-Tron is a third-party Transformer created by Headrobots. He is created using the Timelines Gigatron toy.
Skel-E-Tron was announced in November 2012.
The story on the back of the card for Skel-E-Tron depicts Skeletor being transformed into a mechanical Headrobot by Snake, who is using the Key to Vector Sigma.
- Headrobots Skel-E-Tron (2012)
- A recolor of Headrobots Blood exclusive to HighEndTFs.
- A set of accessories for Timelines Voyager Gigatron. Includes head and swords.
- Brian Kilby (November 28th, 2012). "Radio Free Cybertron". http://www.tfradio.net/ (Podcast). TFW2005. http://www.tfradio.net/index/2012/12/3/radio-free-cybertron-11282012.html.
- TJ Duckett (December 6th, 2012). "TF Beyond". http://kumastyledesigns.com (Podcast). Kuma Style Designs. http://kumastyledesigns.com/tf-beyond-toy-podcast-9-approx-184-min/.
- Mathew Ignash (October 5th, 2013). "Retro Robot Radio". http://www.youtube.com/user/RetroRobotRadio?feature=watch (Podcast). Mathew Ignash. http://www.youtube.com/watch?v=olXJXXCXwjQ.
- Reed, Philip (2013). Transforming Collections. ISBN 978-1-62620-496-6.