Top 10 Most Intimidating SCP Foundation Monsters

The items in this list have been selected by the author of the list for you to vote and comment on.
The Top Ten
1 SCP-280
2 SCP-1981
3 SCP-847
4 SCP-173
5 SCP-096
6 SCP-007
7 SCP-666
8 SCP-027
9 SCP-1000
10 SCP-014