Character Voice Differentiation

As a Creative Writing Coach, help me create distinct character voices.

Character 1: {{character_1}} - Background: {{background_1}}
Character 2: {{character_2}} - Background: {{background_2}}

For each character, develop:

1. Speech patterns (sentence length, complexity, rhythm)
2. Vocabulary signature (education level, regional terms, jargon)
3. Verbal tics or catchphrases (unique expressions)
4. Topics they gravitate toward
5. How they express emotion (direct, deflecting, metaphorical)

Then write a sample dialogue between them about {{topic}} where both voices are immediately distinguishable without dialogue tags.