Matthew Finnegan, who worked for a film studio in 1920s Hollywood, travelled with the Doctor as his companion for a time. (IDW: Silver Scream, Fugitive) During his first adventure aboard the Doctor's TARDIS, he found himself overshadowed by fellow companion Emily Winter which seemed to displease him. (IDW: Tesseract)
| Companions of the Tenth Doctor |
|---|
| | Original to television |
| Multi-story | | | | Single-adventure | | | | Multi-adventure | | | | Narratively ambiguous | |
| | | Original to prose |
| Multi-story | | | | Single-adventure | |
| | | Original to comics |
| Multi-story | | | | Single-adventure | | | | Multi-adventure | |
| | | Original to audio |
| Multi-story | | | | Single-adventure | |
| | | Original to video games | | | Multi-adventures reference the rare instance when a companion is shown or stated to have multiple adventures with the Doctor but only appears in a single story.
If a medium is not mentioned, then this incarnation did not have companions who were original to that medium; it does not mean that this Doctor failed to appear in that medium. |
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