Identifying the right type of influencer for your brand campaign requires a keen understanding of your target audience, brand values, campaign objectives, and the influencer’s follower demographics. Here are the steps you should consider:

1. Defining Your Audience: First, understand who your target audience is. What is their age, gender, location, and interests? Choose an influencer whose follower base aligns with your customer demographics.

2. Aligning with Brand Image: The influencer’s image and values should be consistent with your brand. Look at the type of content they produce. Is it (informative, entertaining, persuasive)? Would it resonate with your customers?

3. Influencer Category: Influencers vary in reach and impact. Categories include nano (1k-10k followers), micro (10k-50k followers), midi (50k-200k followers), macro (200k-1m followers), and mega (1m+ followers) influencers. Your choice would depend on your campaign objectives and budget.

4. Audience Engagement: It’s not just about the follower count, but also how engaged the audience is. Consider metrics like engagement rates (likes, comments) to ascertain the potential reach of your campaign.

5. Track Record: Look at previous campaigns the influencer has done. Did they generate positive results?

In this process, platforms like Flinque, Influence.co, and AspireIQ can be handy, each with its own strengths. For instance, Flinque provides data-driven analytics and easy-to-use workflows, helping you make informed decisions at every step. Influence.co is useful for discovering influencers, and AspireIQ for managing campaigns. But remember, the ideal platform depends on specific team needs and campaign goals.

Finally, the influencer-brand fit isn’t an exact science, but more of a strategic decision driven by a blend of factors, hence, constant evaluation of campaign results becomes necessary to optimize influencer selection over time.