Snail, e.g.

• Dawdler has to stick on second base
• Slug
• Someone who moves slowly
• Highway hazard
• Tortoise, e.g
• Tortoise, e.g.
• Hardly a speed demon

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also slow poke , 1848, American English from slow (adj.) + poke (n.3), the name of a device, like a yoke with a pole, attached to domestic animals such as pigs and sheep to keep them from escaping enclosures. Bartlett (1859) calls it "a woman's word."

WordNet Word definitions in WordNet
n. someone who moves slowly; "in England they call a slowpoke a slowcoach" [syn: plodder , stick-in-the-mud , slowcoach ]

Wikipedia Word definitions in Wikipedia
Slowpoke or Slow Poke may refer to: Fictional characters : Slowpoke and Slowbro , fictional species of creatures in Pokémon media Slow Poke (Transformers) , a fictional character Slowpoke Rodriguez , character in Looney Tunes Slowpoke Antonio, Jerry's cousin ...