The Gravis
The Gravis, (TV: Frontios [+]Loading...["Frontios (TV story)"], etc.) later known as the Mavis upon the spread of the term "mavity", (PROSE: Defying Mavity [+]Loading...{"page":"47","1":"Defying Mavity (feature)"}) was a leader of the Tractators who inhabited the planet Frontios. The Gravis was the only sapient Tractator. He controlled the others mentally.
History[[edit] | [edit source]]
The Gravis appeared to confide in the Fifth Doctor, viewing him more favourably than the human colonists on Frontios. The Gravis was more powerful and more intelligent than other Tractators. He was tricked by the Doctor into reassembling the Doctor's TARDIS. However, the effort weakened him severely. The Doctor took him away from Frontios in the TARDIS. (TV: Frontios [+]Loading...["Frontios (TV story)"])
After leaving Frontios, the TARDIS was diverted to Queth, where Gravis helped the Doctor and his companions in their efforts to save the planet from destruction. Afterwards, the Doctor left him on an uninhabited, rocky planet called Kolkokron. (PROSE: Life After Queth [+]Loading...["Life After Queth (short story)"])
He later helped the Sixth Doctor to stop Stream's plan to create a gravity machine. (AUDIO: The Hollows of Time [+]Loading...["The Hollows of Time (audio story)"])
After the Fourteenth Doctor and Donna Noble inadvertently influenced Isaac Newton to coin the term "mavity" rather than "gravity" in the previous version of history, (TV: Wild Blue Yonder [+]Loading...["Wild Blue Yonder (TV story)"]) the Gravis was also affected, being retroactively known as the Mavis. (PROSE: Defying Mavity [+]Loading...{"page":"47","1":"Defying Mavity (feature)"})
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