Before you learn to draw the 10th Doctor, did you know?
Benefitting from the healing undergone by his immediate predecessor, the Tenth Doctor possessed an outgoing, lively and genial demeanour that hid his underlying guilt. For most of his incarnation, the Doctor was able to successfully project a convivial and even frivolous front. However, when he had to engage in conflict, the Tenth Doctor’s energies would shift toward heroism to reveal a fiercely protective man who resolutely guarded what he held dear, and who could be viciously unforgiving to the forces that dared menace them. He was unique in that he was the only incarnation of the Doctor who chose to waste and abort one of his regenerations, leaving him with just one left, after being hit by a Dalek ray, channeling the energy into his spare hand without changing his appearance, something his successor would attribute to “vanity issues” the Tenth Doctor had developed from enjoying being in his current incarnation.
He travelled mainly with three companions: Rose Tyler, who had been with him earlier, Martha Jones and Donna Noble. Each relationship was shaped, to one degree or another, by romance; he seemed to genuinely love Rose as the person who helped heal some of the scars of the Time War, was completely oblivious to Martha’s obvious affections toward him, and insisted upon a platonic relationship with Donna. After he was compelled to wipe Donna’s memory completely, he entered a period in which he shunned long-term companions altogether, making very few exceptions and only when he found some justification.
When travelling without companions, the weight of being the last Time Lord became much more pronounced. If prodded too much, he would erupt in an almost righteous sense of fury. Indeed, the Tenth Doctor was described by the Moment as “the man who regrets”. The fact that he was instantly able to recall the number of Gallifreyan children that he believed had been killed during the war indicated just how keenly he actually felt those horrendous memories.
He met his eventual end after he absorbed a huge quantity of nuclear radiation whilst saving the life of Donna Noble’s grandfather, Wilfred Mott. Delaying the process to visit all of his companions, the Doctor finally regenerated in the TARDIS, causing a huge amount of damage due to delaying the regeneration for as long as he did and leaving his successor crashing straight for earth. [wikia]