Sailor  

Salem  

Samson  

Samurai  

Santo  

Santos  

Sarge  

Sassoon  

Scar  

Scarborough  

Scoobie  

Scooby  

Scooby Doo  

Scooter  

Scorpio  

Scot  

Scotch  

Scotty  

Scoundrel  

Scrooge  

Seb  

Sebastian  

Senior  

Sergeant  

Seth  

Seuss  

Seymour  

Shadow  

Shah  

Shalimar  

Shane  

Sharif  

Sharp  

Shasta  

Sheik  

Shelley  

Shep  

Sheriff  

Sherlock  

Shoeless  

Shogun  

Shooter  

Shorty  

Shylock  

Sidney  

Siegfried  

Sigmund  

Simba  

Simon  

Simon  

Simpson  

Sinatra  

Sinbad  

Sinclair  

Singer  

Sirius  

Skipper  

Skittles  

Slugger  

Smee  

Smokey  

Smoocher  

Sneezy  

Snooker  

Snoopy  

Snoopy  

Socrates  

Soldier  

Solo  

Solomon  

Sorcerer  

Speed  

Spence  

Spencer  

Sphinx  

Spider  

Spike  

Spike  

Spock  

Spook  

Sport  

Spot  

Sprite  

Squirt  

Starsky  

Steed  

Stephen  

Sterling  

Steven  

Sting  

Stinker  

Storm  

Stuart  

Sultan  

Taipan  

Tar  

Tarquin  

Tarzan  

Taurus  

Ted  

Ted  

Tennyson  

Terror  

Terry  

Thatcher  

Theo