The Doctor's TARDIS (Third Universe)
The Third Universe's version of the Doctor's TARDIS, who was ordinarily referred to as simply the TARDIS, was the sentient timeship of the Doctor. As a TARDIS, she was bigger on the inside, and her exterior was usually disguised as a blue 1950s British telephone box.
Biography
Jenny Everywhere once noted that "some people" got into even more trouble than she did. For proof, she pointed to the Doctor’s TARDIS which, with supreme bad luck, was materialising in the middle of the very firing squad Jenny had just escaped in one universe. (COMIC: The Late Shift)
At some point, a Jenny travelled up and down the Doctor's timelines. She first met the Fourth Doctor, nabbing his scarf, before bumping into the Seventh Doctor and Ace on an alien planet, quickly befriending the later. She finally visited the Twelfth Doctor and Clara Oswald, keeping out of sight but graffitiing “Ace Rules OK!” on the doors of the TARDIS. (PROSE: Ace Rules OK!, Photo shoot)