Possible Clues:

• Dennis in comics, e.g.
• Rogue, scamp
• Such a rogue, one might make a Lascar of him
• That could make the brogue come to a bad end
• Rogue sailor changed sides
• Artist's state of being a rogue
• Some favour a scallywag such as this one
• What lawless Lara's about a hundred
• Cheeky little tyke
• A naughty chap or bold boy