### Clue: Soldier in full gear that creeps around at night (5)
### Answer: KRAIT 
 ### Explanation: Definition: that creeps around at night
  RA(for a change, not an artist but soldier in the $$r$$egular $$a$$rmy, or, if you like the $$R$$oyal $$A$$rtillery) **contained in**(in) KIT(full gear,outfit). 
Answer: A poisonous reptile that creeps around at night.