1) Adventurer 2) Doctor Who audio character 3) Doctor Who spin-off companion 4) English surname 5) Explorer 6) Fictional penguin 7) Fictional shapeshifter 8) Navigator 9) Sir martin frobisher 
HMS Frobisher was a British Cavendish Class light cruiser of 9860 tons displacement launched in 1920. She had a top speed of 30 knots and carried a crew of 712. Armaments consisted of five 7.5 inch calibre BL MkV main guns; five 4 inch calibre QF HA MkV secondary guns; eight Vickers 2-pounder Mark VIII anti-aircraft guns; ten Oerlikon 20 mm/65 guns...
[n] - English explorer who led an expedition in search of the Northwest Passage to the orient
1535?–94, English navigator and explorer.