John Jones John Jones was a human ( COMIC : " The Infinite Astronaut " ) who worked as a pop musician in London during the 1960s , and a companion of the Eleventh Doctor . Biology . The Eleventh Doctor studied Jones using his sonic screwdriver . He found out that his electro - magnetic readings were constantly shifting . The Doctor called him an aberration and explained that his cells reacted to the light constantly changing , that his talent was that he was a chameleon . ( COMIC : " What He Wants . . . " ) Biography . Jones followed Alice Obiefune and the Eleventh Doctor out of Dog & Duck club after his first concert in 1962 to confront them about their negative thoughts on his music . ( COMIC : " What He Wants . . . " ) According to Alice , he was about twenty years old . ( COMIC : " The Sound of Our Voices " ) He sneaked into the TARDIS unnoticed and was transported to the Mississippi Delta in 1931 . There he helped Alice and Robert Johnson , a legendary blues singer save the Doctor from the Talent Scout by sneaking unnoticed past a mob of people possessed by the Talent Scout . After their successful rescue , Robert Johnson gave Jones guitar lessons . ( COMIC : " What He Wants . . . " ) On the United System Research Base , Jones met ARC in the men ' s toilet . He was , perhaps , the first to intuit that ARC only wanted to communicate . ( COMIC : " Whodunnit ? " ) Saved from the ARC - induced coma by Alice , they both shortly played the role of August Hart ' s bait for the Doctor , but in the end the TARDIS crew managed to escape the station together with ARC . ( COMIC : " The Sound of Our Voices " ) Following a distress call , the TARDIS crew picked up the sole " survivor " from the planet Datastore 8 , a Nimon who in reality was responsible for the planet ' s destruction . Knowing about his sinister plans from alternate timelines , the Doctor dealt with the intruder , after which the TARDIS crew went back in time and prevented the destruction of Datastore 8 . ( COMIC : " Space in Dimension Relative and Time " ) Being often scared while traveling with the Doctor , Jones started to comfort eat too much and gained so much weight , the Doctor wanted to use two jet packs instead of one for him , just to be sure . In particular , he took a bite from something doughnut - looking on the " Great Wheel " , the mothership of the Amstron s . He quickly came to regret it ( COMIC : " The Eternal Dogfight " ) as some kind of internal parasite started attacking his emotional centres . As a result , Jones started mirroring ARC ' s fear of the Talent Scout and was only able to lie on the floor in a strongly distressed state . When Alice volunteered to be one of two Infinite Astronaut on behalf of Earth , Jones , as the only other human in their party , was assigned to be the second . The trip to another universe cured him . ( COMIC : " The Infinite Astronaut " ) Alternate timeline . In a timeline later averted by the Doctor , the Nimon who infiltrated the TARDIS tried to kill Alice , and Jones sacrificed his life to save her . ( COMIC : " Space in Dimension Relative and Time " ) Legacy . Following his death , the Doctor and Alice attended Jones ' funeral . ( COMIC : " Remembrance " ) Plex owned a collection of bootleg John Jones vinyl s . ( COMIC : " The Promise " ) Appearance . As a chameleon , Jones ' true appearance was impossible to say , as he routinely revamped himself . He once said to Alice , " The look I got from that last planet was ace . Takes time to glam meself up like that . I ' m an artist . " ( COMIC : " Space in Dimension Relative and Time " )